Proceedings of the Assay Commission
The United States Assay Commission was an agency of the US government that supervised the annual testing of gold, silver, and base metal coins produced by the US Mint. The agency ran from 1792 to 1980.
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1923Proceedings of the Assay Commission: 1923
"Proceedings of the Assay Commission: 1923", by the US Treasury Department, 1923.
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Proceedings of the Assay CommissionPublished by: Proceedings of the Assay Commission