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New Varieties of Gold and Silver Coins, Counterfeit Coins, and Bullion; with Mint Values
Jacob R. Eckfeldt and William E. Du Bois · 1850 · G.P. Putnam, New York (authors were U.S. Mint assayers)
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- CHAPTER SEVENThe Commune's Vault — The Early Half Dollars — An OunceDesk Guide (The American Series)
- CHAPTER SEVENNothing to Hoard — The Early Quarters — An OunceDesk Guide (The American Series)