Jan Hofmeyr - The Process that led to the 'grill' stamps of the USA - PSSC 18 May 2022

The story of the grills begins in 1865 when Charles Steel of the National Bank Note Company (NBNC) wrote to Alexander Zevely of the USPO, about an idea for a stamp that could not be cleaned and reused. Steel was the NBNC’s operations manager. The NBNC had been awarded the contract to print US postage stamps in 1861; but the USPO wanted, to quote Zevely, “… a stamp from which it (would) be impossible to remove cancelling marks without destroying it.”

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Nice history lesson ❤

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😎👍