More than $3.28 million was realized when Stack's Bowers sold seven of the space-flown Proof 2000-W Sacagawea gold dollars ...

This article originally appeared on GOBankingRates.com: 8 Rare Silver Dollars That Could Make You Rich (These Are Worth Millions) ...

Collectors hunting for valuable coins don't have to reach back a century or more to find them -- they can pop back a few ...

Die numbers, introduced on British coins in 1863, tracked production quality. Found on select 19th-century issues, they reveal minting flaws and rejected batches.

This Republic-era 1827 8 reales (Go-WW PR64 Cameo NGC) silver pattern coin features a Libertad cap that is encircled by the ...