Mint versus used stamps: what actually changes

Stamps · 5 September 2026

Mint means never used for postage; used means cancelled and, usually, taken off an envelope. Neither is automatically better. On a mint stamp the collector reads the gum on the back; on a used one they read the postmark on the front. Which state is preferred depends on the issue, the period and what the stamp is meant to show – and for a great many issues, the used example is the harder one to find.

What each word means

• Mint. Never postally used. On classic issues this also implies the original gum on the back is present and undisturbed.
• Unused. Never used, but the gum is missing or has been disturbed – regummed, washed, or never gummed to begin with.
• Used. Cancelled in postal service. The postmark is part of the object, not damage.
• Cancelled to order. Postmarked without ever travelling, often in sheets, for sale to collectors. It looks used and is not.

On a mint stamp, the back is the story

Turn it over. Original, undisturbed gum is the top state; a hinge mark – a small disturbed patch where a paper hinge was once attached – is the most common defect on older stamps, because that is how everyone mounted them for a century. Toning, thin spots where paper has been pulled away, and regumming all live on the back too. This is exactly why modern mounts replaced hinges, as covered in the guide to hinges and mounts.

One caveat worth knowing: in humid climates original gum can crack the paper over time, so on some classic material collectors deliberately prefer stamps without gum.

On a used stamp, the cancellation is the story

A good cancellation is light, legible, and placed so it does not obscure the design – ideally with a readable date and place. A heavy smudge across the whole face reduces the stamp to a filler. Beyond looks, the postmark carries information the mint copy does not have: where and when the stamp actually did its job. For postal history that is the entire point, and a common stamp with an unusual cancellation can be far more interesting than a scarce stamp with none.

When used is the harder state

1. High denominations. Bought mostly by collectors, rarely used on ordinary mail, so genuine postal use is scarce.
2. Late issues of a country that ceased to exist. Printed, then overtaken by events, so they were sold to collectors rather than used.
3. Commemoratives sold in sheets. Kept intact by collectors; genuinely used singles are far fewer.
4. Anything cancelled to order. Plentiful in that state, which makes an honestly used example harder to spot and more interesting.

How to decide for your own collection

• Pick one state and stay consistent within a set – a run that mixes mint and used reads as unfinished.
• If you are starting from household envelopes, collect used: it costs nothing and the postmarks add dates, as described in the guide to starting a stamp collection.
• Never remove a cancellation or try to lift gum: both are irreversible and both are visible.
• Do not soak a stamp off its cover before reading the postmark; on many pieces the cover is worth more than the stamp.

What the archive shows

The open archive holds 6,382 Soviet issues of 1918–1991 with catalogue numbers, and both states appear side by side – including stamps recorded specifically with their cancellations, like the 1961 issue above. Comparing the two states of the same design is the fastest way to learn what a good cancellation looks like and how much of the design a heavy strike takes away.

Open the catalogues: Soviet stamps, world stamps.