An auction site called U.S. Currency Auctions estimates that uncirculated $2 bills from 1890 could sell for at least $4,500.

Regarding gold investing, American Gold Eagles and other modern bullion coins often dominate the conversation. However, savvy ...

Coins become valuable for several reasons, ranging from their historical value to their metal content. In nearly all cases, ...

Every day, millions of coins and bills change hands across the United States, most of them holding only their face value.