These are the 20 most valuable pennies, and they're worth a combined $5.5 million. Standards have been developed to evaluate coins. A modified version of the Sheldon Scale, which grades coins on a ...

Often the most expensive and rare coins sold at auction come with the best backstory. For example, the 500,000 1933-dated Double Eagles ($20 denomination U.S. gold coins) that were struck ...

Coin collectors are captivated by rare and valuable coins which carry historical significance. Highlighted examples include the 1794 Flowing Hair Silver Dollar and the 1787 Brasher Doubloon ...

She said only 13 specimens of this coin are known to exist. “Just one is legally held in a private collection, making it one of the rarest and most coveted ... while rare, high-grade specimens ...