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单词 Die proof
释义

Die proof

英语百科

Die proof (philately)

(重定向自Die proof)
Die proof for the United States Jefferson issue of 1861.
Approved proofs from Waterlow and Sons printers for a Bolivian stamp issue of 1943. (Subsequently punched for security purposes.)

In philately a Die Proof is a printed image pulled directly from the master die for an engraved stamp.

As a stamp is engraved it is necessary to check progress and a series of proofs are printed or 'pulled' from the die. These are known as progressive or contemporary die proofs.

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