Die proof (philately)
（重定向自Die proof）
![Die proof for the United States Jefferson issue of 1861.](/Images/godic/202501/09/Jefferson_1861_Die_Proof20313.jpg")
![Approved proofs from Waterlow and Sons printers for a Bolivian stamp issue of 1943. (Subsequently punched for security purposes.)](/Images/godic/202501/09/Bolivia_Centenary_of_Beni_2.10b_proof_stamps_ex_Waterlow_archives_19420313.JPG")
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.