You don't need to be a coin collector to have piggy banks stashed around your house filled with quarters, dimes, nickels or ...

Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, rubies, and emeralds. Semi-precious stones are evaluated on their rarity and ...

A rundown of the 23 most expensive cars sold at auction, offering up proof that collectors will spend what it takes to get ...