The Hidden Marks on U.S. Dollars: Secrets of Global Currency Travel
Ever notice tiny symbols, letters, or unusual stamps on a U.S. dollar and wonder what they mean? What look like random doodles are actually “chop marks”—tiny stamps added by merchants, money changers, or currency verifiers to show the bill has been inspected and authenticated. Chop marks have a long history. The practice originated in China, …
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