French 50 Euro Cent on a 2-Cent Planchet The wrong ... Related: How Can You Tell if a Coin Is Rare? Although you won't find them in your pocket change (most of the time), proof coins can also ...

Symbolizing the Great Depression and the history of American togetherness, the 1933 Double Eagle is currently the most valuable coin in the world. Although 445,000 of these U.S. gold coins were minted ...