A rare "double eagle" coin was ... to the Professional Coin Grading Service. Despite its rarity, the final sale fell short of expectations that it might surpass the $2 million mark.

Silver coins are highly prized by dealers and collectors -- not just because of their silver content, but also because they ...

A single coin ... Gaudens Double Eagle in average condition is around $20,000, while one in mint condition could go for $130,000. According to CoinTrackers.com, an 1892 S Morgan silver dollar ...