That is a used stamp.

那是一枚用过的邮票。

youdao

When a bank makes a payment on a check, it cancels the check. That is, it marks the check with some kind of stamp so that the check cannot be used again.

当银行兑付支票时要予以注销，也就是说，银行要用某种戳记盖在支票上，支票就不会再使用了。

youdao

There was one big stamp on the table that is used by the clerk who is working behind the table at the time.

有一个大公章在桌子上，那时正在被后面工作的一个办事员使用。

youdao

Albert Einstein used a stamp.

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Until two years ago, a local Bethlehem man used to design and sell a unique stamp for people to buy, which was then followed by the Llandeilo service.

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She added that money from a clamp-down on stamp-duty avoidance could be used to cancel the "damaging cut" to working tax credits.

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