Where James A. Stack Sr. acquired it is a mystery that may never be solved - but for more than 70 years, one of the rarest coins in American history sat quietly in his family's collection. Stack, a ...

The finest example of the 1804 silver dollar known to exist sold for US$7.86 million at a Stack’s Bowers Galleries auction earlier this week, making it the second-most valuable U.S. silver dollar ever ...

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