Marcas de tinta Público Deposited
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- Spanish: Ink chops began use after 1880 and probably in 1900-1935 in Shanghai where banks didn't like defaced coins and ink could be washed off easily. Regular chopping was carried out until 1935 in Hong Kong. Much of China did not use ink chops.
- Numiscadero Spanish to English Glossary (Gary Beals)