Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Maine Centennial Half Dollar
A 1920 U.S. commemorative half dollar issued for the 100th anniversary of Maine's statehood, featuring the state's coat of arms.
Commemorative
British Guinea
England's premier gold coin for over 150 years, named for the West African region that supplied much of its gold and eventually valued at 21 shillings.
British
British Gold Guinea
Struck from 1663 to 1814 and named for the West African gold used in its earliest issues, the guinea was Britain's leading gold coin and gave its name to a unit of value still referenced today.
British