. English: A page from the code book of the Culper Spy Ring during the American Revolutionary War. On the left of the page are the names of people and places side-by-side with numbers that serve as their code representations. late 1770s 360 Culper Ring code

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Size: 1913px × 2612px
Photo credit: © History and Art Collection / Alamy / Afripics
License: Licensed
Model Released: No

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