The $1 coin is rarely used, but it can have exceptional collectible value. These are several of the most valuable $1 coins of ...

A gigantic gold coin made for Spain’s King Philip III in 1609 has become Europe’s most valuable coin after selling for more than £2.6 million at an auction in Switzerland.

That cluttered catch-all drawer in your kitchen might be hiding far more than old batteries and rubber bands. Rare nickels ...

Pieces once traded during the Greek and Roman eras or salvaged from Spanish shipwrecks continue to be popular with artisans ...