Glossary Term

First Day Cover

A first day cover is an envelope bearing a new stamp cancelled on its official first day of issue.

Also known as: FDC

A first day cover (FDC) is an envelope or card franked with a newly issued stamp and cancelled with an official postmark dated on the stamp’s first day of issue. The combination of a fresh stamp, an authenticated date cancel, and — in most modern FDC collecting — a decorative cachet makes the FDC one of the most popular formats in philately. First day covers bridge the gap between pure stamp collecting and postal history, and they are produced in every major stamp-issuing country in the world.

What Makes an FDC Collectible

Three elements define a desirable first day cover: the stamp, the cancel, and the cachet.

The stamp should be well-centred, undamaged, and properly affixed. Multiple stamps, se-tenant pairs, or even souvenir sheets can be used on FDCs, but the franking should be appropriate to the face value of the issue.

The cancel must be precisely dated on the official first day of issue and must originate from an authorised first day post office. In the United States, the USPS designates a specific city (usually related to the stamp’s subject) as the official first day city. In Great Britain, Royal Mail typically allows cancellations from multiple offices on the first day. A readable, clean cancel that doesn’t obliterate the stamp design is strongly preferred.

The cachet is a printed or hand-decorated illustration on the left side of the envelope that complements the stamp’s theme. The word comes from the French for “seal” or “stamp of approval.” Cachets range from simple typed descriptions to elaborate hand-painted artworks. Well-known cachet makers in the United States include Artcraft, Fleetwood, Colorano, and the hand-painted covers produced by artisans such as Gladys Adler and later Artmaster.

Types of Cachets

Thermographed cachets are produced by applying heat-sensitive powder to freshly printed ink, creating a raised, embossed appearance. They became the standard for commercially produced FDCs from the 1950s onward.

Silk cachets incorporate a piece of woven silk fabric printed with a design. These were popular in mid-20th-century collecting and remain sought after by specialists.

Hand-painted cachets are individually illustrated by artists, making each cover unique. These command premium prices and are collected both as philatelic items and as miniature artworks.

Machine-printed cachets on pre-made envelopes dominate the modern market. Producers such as Artcraft and Fleetwood release standard designs for every major USPS issue.

Addressed Versus Unaddressed

Collectors generally prefer unaddressed FDCs — envelopes that were never actually mailed, allowing the cover to remain pristine. An addressed FDC (sent through the post) shows actual usage, which has postal history interest but typically sells for less than an equivalent unaddressed example in perfect condition.

Sourcing and Storing First Day Covers

FDCs can be obtained directly from postal services on the day of issue, purchased from philatelic dealers and auction houses, or acquired through specialist FDC clubs such as the American First Day Cover Society (AFDCS) in the US or the British First Day Cover Society (BFDCS) in the UK. These organisations publish research, maintain archives, and connect buyers and sellers.

Covers should be stored in acid-free polythene sleeves or in purpose-made FDC albums with clear pockets. They should never be stored in rubber-band bundles, in damp environments, or in ordinary plastic bags that may contain PVC and cause chemical damage over decades. Flat, vertical storage in an album is ideal; covers stored horizontally in bulk can suffer pressure damage to cachets.

Frequently Asked Questions About First Day Cover

What three elements make a first day cover collectible?

A desirable FDC combines a well-centred, undamaged stamp; a cancel precisely dated on the official first day of issue from an authorised post office; and a cachet — a printed or hand-decorated illustration that complements the stamp's theme.

Should a first day cover be addressed or unaddressed?

Collectors generally prefer unaddressed covers, since they were never mailed and remain pristine. An addressed FDC has genuine postal history interest but typically sells for less than an equivalent unaddressed example in top condition.

How should first day covers be stored?

FDCs should be kept in acid-free polythene sleeves or purpose-made FDC albums, stored flat and vertically. Avoid rubber bands, damp conditions, and ordinary plastic bags that may contain PVC and cause chemical damage over time.