---
title: "How to Date a Garment from Its Construction"
description: "Date a garment by its newest original part: zipper, seam finish, label or fiber. Each clue sets a limit, not a year, so combine them into a range."
type: Technique
url: https://teazle.art/techniques/date-a-garment-from-its-construction
published: 2026-10-17
updated: 2026-10-17
author: "The Teazle editors"
image: https://cdn.sanity.io/images/jvxyxtrt/production/cd4da8886d2ee07604409e847836ece894a0b569-2773x1200.jpg?w=1600&fit=max&q=78&auto=format
image_license: CC0
---

# How to Date a Garment from Its Construction

*A vintage dress keeps its date in its zipper, seams, labels and fibers, if you know which clues set a floor and which only look old. How to read them, and how each one misleads.*

![Close view of a cream woven ribbon label stitched inside a garment, with gold woven lettering that reads Ladies Measures and Pattern Bodice Always Kept, framed by small woven flourishes.](https://cdn.sanity.io/images/jvxyxtrt/production/cd4da8886d2ee07604409e847836ece894a0b569-2773x1200.jpg?w=1280&fit=max&q=78&auto=format)
*Woven dressmaker's label from a British dinner dress, ca. 1901. Silk, cotton, metal. The Met, 1982.316.5a, b. The Metropolitan Museum of Art. CC0*

To tell how old a vintage dress is, look inside it rather than at it. A garment can be no older than its newest original part, so you date it by finding the latest feature that was sewn in at the start: a zipper, a label, a fiber, a seam finish. No single clue settles the question, so the honest answer is a range built from several.

## How can you tell how old a vintage dress is?

Work from the inside out and treat every clue as a limit, not a date. A polyester label cannot predate polyester, but it can sit in a dress made decades after the fiber arrived. List what is original, find the newest original feature, then compare the silhouette with dated images.

That caution is not a hobbyist's hedge. In her 1983 thesis on 1860s dresses, Patricia Haviland of Iowa State University notes, citing the researcher Haggard (1972), that no study has shown any one part of a garment to be the definitive dating clue; dating is a combination of factors, and the problem is worst for garments that are not high fashion or that were later altered. A British [Museums Association](https://archive-media.museumsassociation.org/collections-01-12-2009-factsheet-dating-historic-dress.pdf) factsheet for curators begins in the same place: look inside, and check for alterations first. Lines of stitch holes show where earlier stitching was unpicked, and the places to look are the tops of skirts, bust [darts](https://teazle.art/glossary/dart.md), side seams and necklines.

## What do stitches and hand finishing tell you?

Machine stitching places a garment in the sewing-machine era, which the Museums Association factsheet puts in the mid-1850s, with general use by the mid-1860s. The earliest machines made a chain stitch; the lockstitch, which looks the same on both sides, was in use by the 1860s. Machine stitching in a garment that clearly predates the 1850s suggests a later repair. Hand finishing, however, never stopped.

Haviland's sample shows how mixed the evidence can be. She examined 44 surviving American garments from the 1860s; 22 of the 34 dresses had machine sewing somewhere, yet of the dresses examined only one had its skirt joined to the bodice by machine, the rest being overhanded by hand, and trimmings were almost always applied by hand. The Museums Association adds that it stayed customary to hand sew women's underwear and babies' clothes until the 1950s, because it was thought more refined, and that couture still hand sews zippers and [hems](https://teazle.art/glossary/hem.md) today.

What about stitch length? Many collector guides offer a stitches-per-inch scale. I found no published, tested scale to cite, so use counts only to compare one seam with another in the same garment. A coarse, widely spaced hand stitch is not always a sign of crude work: the factsheet notes that eighteenth-century gown seams were often sewn that way on purpose, for ease of alteration, while stitching on linen underwear was exquisitely fine.

## How old is a zipper, and what about hooks and snaps?

A modern-style zipper in your dress can be no older than 1914 and, in practice, is probably from the 1930s or later. Gideon Sundback's patent was filed in 1914 and granted in 1917, and clothing makers were slow to adopt it. A zipper is a strong lower limit and a weak upper one, because zippers are easily replaced.

The idea is older. Whitcomb Judson's U.S. patent 504,038, granted August 29, 1893 (filed in 1891), covers a "clasp locker or unlocker for shoes", described as designed especially as a shoe fastener but usable on mail bags, belts and seams. Sundback's patent 1,219,881 describes a fastener "for garments and other purposes", and was assigned to the Hookless Fastener Company.

![Black and white patent drawing headed Clasp Locker or Unlocker for Shoes: two views of a boot with a row of small clasps down the front and a ring-pulled guide, plus detail views of the guide and the clasps.](https://cdn.sanity.io/images/jvxyxtrt/production/ae59ccac7a2afaa4196285fc97029a294c15f8b8-1100x1641.png?w=1280&fit=max&q=78&auto=format)
*Whitcomb Judson's patent drawing for a shoe fastener, U.S. Patent 504,038, granted August 29, 1893. United States Patent Office. PD*

![Black and white patent drawing of a fastener: two rows of small interlocking teeth set on cloth tapes, drawn closed below a Y-shaped slider and open above it, with a pull tab and side views of a single tooth.](https://cdn.sanity.io/images/jvxyxtrt/production/b3d8d8dc8d7da2468c31dd7144169010dc68f2fc-1100x1697.png?w=1280&fit=max&q=78&auto=format)
*Gideon Sundback's patent drawing for a separable fastener, U.S. Patent 1,219,881, filed August 27, 1914, granted March 20, 1917. United States Patent Office. PD*

The name came from footwear. The historian Robert Friedel, replying to a reader in *Invention & Technology*, writes that the word "zipper" arrived when B. F. Goodrich began selling galoshes under that name in 1923; the Hookless Fastener Company took the Talon name for its product in 1928 and renamed itself Talon, Inc. in 1937. A [1994 review of Friedel's book](https://americanheritage.com/fascinating-fastener) says the device was sewn into money belts in World War I, appeared on rubber boots about five years after the war and did not really catch on until the late 1930s.

| Year | Event | Source |
| --- | --- | --- |
| 1893 | Judson patent for a shoe clasp locker | U.S. patent 504,038 |
| 1917 | Sundback's separable fastener granted (filed 1914) | U.S. patent 1,219,881 |
| 1923 | Goodrich galoshes sold as "Zippers" | Friedel, Invention & Technology |
| 1928 | Talon name adopted for the product | Friedel, Invention & Technology |
| 1930s | Zippers begin to appear on garments; rarely found before 1939 | Museums Association |
| 1937 | Company renamed Talon, Inc. | Friedel; Hagen History Center |
| Late 1950s | Nylon coil zippers reach the world market | Australian industry history |

The Hagen History Center's Talon history notes that sales to the fashion industry were slow because makers were reluctant to give up buttons, and that clothing use grew with World War II military orders. One reader recalled buying a zippered suit in 1940; it jammed that night and he went back to buttons. The Museums Association adds that early dress zippers were heavy, with metal teeth, and that in the austerity years of 1945 to 1952 home dressmakers often recycled them.

Position is a softer clue than collectors' charts suggest. Guides often give a tidy sequence, side-seam zippers in the 1930s and 40s and center back later, but a Mississippi State University record describes a machine-made, bias-cut dress dated 1930 with a zipper in the back. The finish around the opening, the [placket](https://teazle.art/glossary/placket.md), is no better a guide, since couture hand sews its zippers to this day. Maker marks help more: Emily Nissen's 2020 FIT thesis, which catalogs about 300 dated examples, notes that zippers often carry the manufacturer's name and sometimes a country of origin.

Other fastenings date less sharply. Every one of Haviland's 1860s garments with hooks had the hammered brass or iron kind, which she observes were not engineered to stay shut on their own, so garments had to fit snugly. The Textile Research Centre in Leiden dates the first press-stud patent to 1885 and today's double S-spring stud to 1903, so a snap says little. Our find on [which side buttons sit](/finds/why-mens-womens-buttons-opposite-sides) covers a separate convention.

## Which seam finishes and hems help?

Very few, taken alone. Pinking, overcasting and double (French) seams were all in use in the nineteenth century and are still used now. Only machine overlocking, and on home-sewn clothes serging, gives a firmer lower limit.

Pinking is older than most guides imply. Louise Austin's 1893 patent 489,406 departs from "pivoted pinking blades as heretofore constructed", so pinking tools already existed, and Haviland quotes a *Harper's Bazar* notice of 1869 selling pinking irons at fifty cents a pattern. A 1934 patent for pinking shears, filed in 1932 by Felix Wyner and Edward Schulz and assigned to Samuel Briskman, belongs to the later shears familiar today. In Haviland's 1860s sample, pinking finished the seams of only one coat.

Raw edges are not a reliable early clue either. In the same sample, 22 bodices and 5 wraps had unfinished side seams, 13 bodices and 3 wraps were overcast, and 29 of 39 bodice armscyes were overcast. *Harper's Bazar* described felled and double seams, yet none of the surveyed skirts used a double seam.

Overlock stitching, which trims and wraps a raw edge in one pass, belongs to the factory first. A University of North Texas library blog credits the Merrow Machine Company, giving 1881 for the stitch and 1889 for the first machine; the sources do not settle which year is right. An EBSCO overview says sergers reached the clothing industry in the 1920s. The first household serger, the baby lock EF-205, debuted in 1967 or 1968, depending on the source (the maker says February 1968), and sergers reached the United States in the early 1970s. A serged seam in a homemade garment therefore points to the late 1960s or later; in a factory garment it says much less.

Hems and interfacing are weaker still. Haviland found 1860s skirts commonly faced at the hem with glazed cotton or muslin, three to six inches deep. For [interfacing](https://teazle.art/glossary/interfacing.md), hand-padded canvas tells you about tailoring practice, not a year, and I found no documented first date for fusible interfacing, so treat it as a later-twentieth-century hint at most.

## What do labels, fibers and the law tell you?

Labels give the firmest dates when they carry something that changed: a union emblem, a registration number, a fiber name, a legal notice. Dressmakers' labels began in the late 1860s, fiber-content labeling followed U.S. laws of 1940 and 1958, and permanent care labels were required from an FTC rule issued in 1971.

The Museums Association says makers' labels never appear in garments before the 1850s, that women's dress labels date from the late 1860s, and that in the 1920s and 1930s a woven ribbon label was often sewn into the side seam of an evening dress. Most garments made before the 1950s carry no label at all. A label tells you who made the garment, so the maker's years of business become your date.

![A cream woven ribbon label with a gold monogram at left and the words G. Eyres and Sons, Bath in woven script, with the small words Robes et Modes beneath the monogram.](https://cdn.sanity.io/images/jvxyxtrt/production/c90ed509952db59e219076448a8d0a46ce183bcf-3280x793.jpg?w=1280&fit=max&q=78&auto=format)
*Woven maker's label on the same dress: G. Eyres & Sons, Bath. The Met, 1982.316.5a, b. The Metropolitan Museum of Art. CC0*

![A cream ribbon label stamped in green ink, the lettering partly worn so that only part of the name can be read, held to the dress by hand cross stitches at the left and a short row of stitches at the right.](https://cdn.sanity.io/images/jvxyxtrt/production/34d0e0197e2861d245ef6621bd178c619a2bd2d6-2583x1287.jpg?w=1280&fit=max&q=78&auto=format)
*Ink-stamped ribbon label inside a dress catalogued as House of Worth, 1883–85. Silk. The Met, C.I.53.63a, b. The Metropolitan Museum of Art. CC0*

**Union labels.** The timeline of the garment workers' union label published by Cornell University's ILR School gives usable markers: AFL-CIO wording means 1955 or later; the ILGWU's label campaign launched January 9, 1959; a redesign in 1963 stressed "union made"; red, white and blue colors with "Made in the U.S.A." date from 1974; the union merged into UNITE in 1995.

**RN numbers.** The FTC issues a Registered Identification Number to a U.S. business, one per company, and a label may carry it in place of the company name. It is not required. The FTC describes the system as in place since the 1940s, and the number cannot be transferred. Some vintage guides begin RN dating in 1952; I could not confirm that date from an FTC source. An RN names a firm, not a year: look it up in the [FTC's RN database](https://www.ftc.gov/rn-database/search), then find when that firm traded. The FTC warns that entries are only as current as the company has kept them.

**Fiber-content law.** The Wool Products Labeling Act became law on October 14, 1940, and took effect nine months later. The Textile Fiber Products Identification Act was enacted September 2, 1958, effective eighteen months after that, and the FTC published its rules in June 1959. A U.S. label listing full fiber content therefore most likely dates from 1960 or after, and a wool label from 1941 on.

**Care labels.** The FTC promulgated its Care Labeling Rule on December 16, 1971, and it makes it an unfair practice to sell most apparel without a permanent label stating the regular care needed. Most U.S. garments made once the rule took hold carry one, so a missing care label hints at an earlier, homemade or altered garment. How clothes were cleaned before such labels is the subject of our find [Monday Was Wash Day](/finds/monday-was-wash-day).

| Fiber | What the sources support | Source |
| --- | --- | --- |
| Rayon (viscose) | Patented in the 1890s; first commercial viscose in England in 1905; first U.S. plant running by 1911; woven dress fabrics popular in the 1920s | Museums Association; Pennsylvania historical marker |
| Nylon | Announced in 1938; a Hagley photograph dates the crowd waiting for the stocking sale to May 15, 1940; off the market in 1942 for the war | Linda Hall Library; Hagley |
| Polyester | Patented in 1941; first U.S. polyester fiber sold in men's suits May 8, 1951 (Dacron) | Hagley; MoDiP |

## Why does any single clue mislead?

Every clue can be added later, copied or reused. Zippers are replaced, labels are only stitched in, homemade clothes follow the sewist's habits rather than the factory's, and revivals copy old construction on purpose. Treat each feature as a limit, and look for the stitch holes that show something changed.

- **Replaced or recycled parts.** The factsheet notes that zippers and buttons were recycled by home dressmakers in the years after the war. A zipper can be newer than the dress around it.
- **Altered garments.** Haviland points out that a dress made in the 1850s could be modified a decade later to match 1860s style, and that reconstructions in earlier styles, such as theatrical and masquerade costume, muddy the evidence. She checked suspect garments for thread of a different color and for old needle holes.
- **Labels.** A label is a ribbon stitched in place. Check the stitches that hold it for a different thread or for extra needle holes, and remember that it dates the maker, not the dress.
- **Homemade garments.** Hand finishing was normal in the 1860s and is normal in couture now, so it separates neither era nor skill.
- **Revivals.** A new dress sewn with hand-set zippers and a hand-rolled hem is not old, and a reproduction can copy early construction on purpose. Even the specialist guides are partial: Nissen calls hers representative, not comprehensive.

## What is a step-by-step way to decide?

Run the same eight steps on every garment and write down a range, not a year. Start with signs of alteration, then take closures, stitching, seam finishes, labels, fiber and care instructions, and finish by comparing the silhouette with dated images. The range is the overlap of what each original feature allows.

| Step | Look at | What it can show | How it misleads |
| --- | --- | --- | --- |
| 1 | Stitch holes, thread color, waistline | Alterations, so which parts are original | Careful alterations can hide their traces |
| 2 | Closures | Zipper maker and type; hooks, snaps | Zippers are replaced and recycled |
| 3 | Stitching | Hand or machine; chain or lockstitch | Hand finishing continued in couture and at home |
| 4 | Seam finishes | Overlocking: late 1960s or later if home-sewn | Pinking and overcasting span centuries |
| 5 | Labels | Maker, union markers, RN, fiber, care | Labels can be missing or moved |
| 6 | Fiber | Earliest possible date | Old styles in new fibers |
| 7 | Hem, interfacing | Practice and quality | Few firm dates |
| 8 | Silhouette | Fashion period | Revivals and alterations |

Then write the finding as a window: for example, "not before the 1930s because of the zipper, probably after 1960 because of the fiber label." If the clues disagree, the newest original feature sets the earliest possible date.

## Where can you see it?

The labels shown above come from the Metropolitan Museum of Art's costume collection, whose online records carry many more label photographs. For method, read the Museums Association factsheet and Haviland's thesis, listed in the sources, alongside the patent texts.

- [Dinner dress, British, ca. 1901](https://www.metmuseum.org/art/collection/search/106580), The Met, with the Eyres labels
- [Dress, House of Worth, 1883–85](https://www.metmuseum.org/art/collection/search/105336), The Met
- [Union label timeline](https://ilgwu.ilr.cornell.edu/timeline/union-label-timeline.html), Cornell University ILR School
- [FTC RN database](https://www.ftc.gov/rn-database/search)


## Sources

1. [Investigating, Dating and Documenting Garments (dress-dating factsheet, Collections masterclass)](https://archive-media.museumsassociation.org/collections-01-12-2009-factsheet-dating-historic-dress.pdf). Museums Association
2. [Construction techniques used on women's dresses and wraps during the 1860s (thesis)](https://behost.lib.iastate.edu/DR/Haviland_ISU-1983-H299.pdf). Patricia Marie Haviland, Iowa State University, 1983
3. [U.S. Patent 504,038, Clasp Locker or Unlocker for Shoes (W. L. Judson)](https://patentimages.storage.googleapis.com/pdfs/US504038.pdf). United States Patent Office
4. [U.S. Patent 1,219,881, Separable Fastener (G. Sundback)](https://patentimages.storage.googleapis.com/pdfs/US1219881.pdf). United States Patent Office
5. [U.S. Patent 489,406, Pinking-Shears (L. Austin)](https://patentimages.storage.googleapis.com/pdfs/US489406.pdf). United States Patent Office
6. [U.S. Patent 1,965,443, Pinking Shears (F. Wyner and E. Schulz, assignors to S. Briskman)](https://patentimages.storage.googleapis.com/pdfs/US1965443.pdf). United States Patent Office
7. [Reply to a reader (Robert Friedel) on the zipper](https://www.inventionandtech.com/node/85691). Invention & Technology
8. [A Brief History of the Talon Zipper Company](https://www.hagenhistory.org/blog/a-brief-history-of-the-talon-zipper-company). Hagen History Center
9. [Fascinating Fastener (review of Robert Friedel, Zipper: An Exploration in Novelty)](https://americanheritage.com/fascinating-fastener). American Heritage
10. [Industry history: zip fasteners and nylon coil zippers (Australia)](https://austehc.unimelb.edu.au/tia/302.html). University of Melbourne, Australian Science and Technology Heritage Centre
11. [A History of Zippers, and a Visual Guide to Dating Garments Using Zippers (M.A. thesis, Emily Nissen)](https://institutionalrepository.fitnyc.edu/item/560). Fashion Institute of Technology, 2020
12. [Dress, 1930, Historic Costumes and Textiles Collection, item 285](https://scholarsjunction.msstate.edu/msugm-historic-costumes-textiles/285). Mississippi State University Libraries
13. [Union Label Timeline](https://ilgwu.ilr.cornell.edu/timeline/union-label-timeline.html). Cornell University ILR School
14. [Registered Identification Number (RN) FAQ](https://www.ftc.gov/business-guidance/industry/registered-identification-number-frequently-asked). Federal Trade Commission
15. [Registered Identification Numbers (RNs), press release, December 15, 1997](https://search.ftc.gov/news-events/news/press-releases/1997/12/registered-identification-numbers-rns). Federal Trade Commission
16. [16 CFR 300.4, Registered identification numbers](https://www.law.cornell.edu/cfr/text/16/300.4). Legal Information Institute, Cornell Law School
17. [Federal Register, February 6, 1997 (Care Labeling Rule notice)](https://www.govinfo.gov/content/pkg/FR-1997-02-06/html/97-3048.htm). National Archives, GovInfo
18. [15 U.S.C. 68, Wool Products Labeling Act](https://www.law.cornell.edu/uscode/text/15/68). Legal Information Institute, Cornell Law School
19. [15 U.S.C. 70, Textile Fiber Products Identification Act](https://www.law.cornell.edu/uscode/text/15/70). Legal Information Institute, Cornell Law School
20. [16 CFR 303.1, source note (eCFR)](https://www.ecfr.gov/current/title-16/chapter-I/subchapter-C/part-303/section-303.1). National Archives, eCFR
21. [Wallace Carothers](https://www.lindahall.org/about/news/scientist-of-the-day/wallace-carothers/). Linda Hall Library
22. [The Nylon Craze: A Style Trend of the 1940s](https://hagley.org/node/3969). Hagley Museum and Library
23. [Polyester (Hagley Vault post)](https://www.hagley.org/node/3673). Hagley Museum and Library
24. [Polyester](https://modip.ac.uk/exhibitions/polymorphia/polyester). Museum of Design in Plastics (MoDiP)
25. [American Viscose Company, historical marker](https://explorepahistory.com/hmarker.php?markerId=1-A-315). ExplorePAhistory.com
26. [Overlock stitching (UNT Libraries blog)](https://blogs.library.unt.edu/spark/2020/07/30/23). University of North Texas Libraries
27. [Serging (Research Starter)](https://www.ebsco.com/research-starters/visual-arts/serging). EBSCO
28. [Celebrating 55 Years of the 1st Home Serger](https://babylock.com/celebrating-55-years-of-the-1st-home-serger). Baby Lock
29. [1867: Press studs galore](https://trc-leiden.nl/trc/index.php/en/102-news/1867-press-studs-galore). Textile Research Centre, Leiden
30. [Dinner dress, ca. 1901 (1982.316.5a, b)](https://www.metmuseum.org/art/collection/search/106580). The Metropolitan Museum of Art
31. [Dress, House of Worth, 1883–85 (C.I.53.63a, b)](https://www.metmuseum.org/art/collection/search/105336). The Metropolitan Museum of Art

## Glossary

- [Placket](https://teazle.art/glossary/placket.md): A placket is a finished opening in a garment, usually reinforced and fitted with buttons, snaps or a zip, that lets it be put on.
- [Hem](https://teazle.art/glossary/hem.md): A hem is the finished lower edge of a garment or sleeve, made by folding the raw edge under and securing it.
- [Interfacing](https://teazle.art/glossary/interfacing.md): Interfacing is a layer of fabric placed between the outer fabric and the facing to stiffen, shape or support parts of a garment such as collars and cuffs.
- [Dart](https://teazle.art/glossary/dart.md): A dart is a stitched, tapering fold of fabric that shapes flat cloth to the curves of the body, such as the bust, waist or hip.

Canonical: https://teazle.art/techniques/date-a-garment-from-its-construction