Question

33. Cachets are also known as ..​

Answer 1

Answer:

in philately, a cachet is a printed or stamped design or inscription, other than a cancellation or pre-printed postage, on an envelope, postcard, or postal card to commemorate a postal or philatelic event. ... Frequently flight cachets (which have also been used in space and on the moon) are rubber-stamped.

Explanation:

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