Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1983 Doubled Die Reverse Lincoln Cent
A notable doubled die variety showing bold doubling on the reverse lettering of the Lincoln Memorial cent, particularly visible on ONE CENT, from the first full year of the copper-plated zinc cent.
Errors & Varieties
Native American Dollar (Sacagawea Reverse Series)
A continuation of the Sacagawea dollar with an annually changing reverse honoring Native American history and culture, while keeping Sacagawea's portrait on the obverse.
United States
Euro €2 Commemorative Coins
Since 2004, Eurozone countries have issued special-design €2 coins commemorating anniversaries and events while keeping the coin's normal size, weight, and legal-tender status.
Commemorative
50 Euro Cent Coin
A gold-colored circulating euro coin worth half a euro, struck in a copper-based Nordic gold alloy and easily recognized by its distinctive scalloped-edge shape and national obverse design.
European
2 Euro Coin
The highest-denomination circulating euro coin, with a silver-colored center inside a gold-colored ring, widely used by member states to issue popular commemorative designs collected across Europe.
European
1 Euro Coin
The standard circulating one-euro coin used across the Eurozone since 2002, bimetallic with a gold-colored center and silver-colored ring, and a national obverse that varies by issuing country.
European
Turban Head Eagle
The first U.S. $10 gold coin, struck 1795-1804 and nicknamed 'Turban Head' for Liberty's cap-like headdress; the earliest examples pair her portrait with a small, spread-winged eagle.
United States
German Empire 5 Mark
A large silver crown of Imperial Germany bearing the portrait or arms of individual constituent states, unified under a common eagle reverse after German unification in 1871.
European
Draped Bust Eagle
The formal catalog name for the first U.S. ten-dollar gold coin once it adopted a bold heraldic eagle reverse in 1797, the same coin popularly nicknamed the 'Turban Head' eagle.
United States
Canadian Loonie
Canada's eleven-sided one dollar coin, introduced in 1987 with a common loon on the reverse, giving rise to its popular nickname.
Canadian
1987 Loon Dollar (Aureate)
Canada's first modern circulating dollar coin, introduced in 1987 to replace the paper dollar bill and nicknamed "the Loonie" after the common loon depicted on its reverse.
Canadian
1919-D Standing Liberty Quarter
A semi-key Denver-minted Standing Liberty quarter, scarcer than common dates of the series and notably difficult to find with a fully struck head.
United States
1970-S Small Date Lincoln Cent
A scarcer date-size variety of the 1970-S Lincoln cent featuring a smaller, lower-positioned 7 in the date compared to the more common large date variety struck the same year.
Errors & Varieties
1936 Doubled Die Obverse Lincoln Cent
A collectible doubled die variety on the 1936 Lincoln wheat cent, known in a stronger, scarcer form and a weaker, more common form, both showing doubling in the obverse lettering.
Errors & Varieties
1974 Eisenhower Dollar
A large dollar coin honoring President Dwight D. Eisenhower and the Apollo 11 moon landing, common in circulated grades but collected as part of the popular Ike dollar series.
United States
1955 Poor Man's Doubled Die Lincoln Cent
A more common, lower-value doubled die variety on the 1955 Lincoln cent, nicknamed the 'poor man's' version because it offers a similar doubled-image look to the famous 1955 Doubled Die Obverse at a fraction of the price.
Errors & Varieties
1861 Confederate Half Dollar
An extraordinarily rare Civil War-era coin struck briefly at the Confederate-controlled New Orleans mint, using a genuine CSA reverse die paired with an existing US half dollar obverse.
United States
German 5 Mark Silver (Kaiserreich)
The 5 Mark was the largest circulating silver coin of the German Empire, issued by numerous constituent states and free cities, each with its own portrait or design under a common imperial system.
European
1796 Draped Bust Dime
The very first dime struck by the United States Mint, featuring the Draped Bust design with a small eagle reverse and no stated denomination.
United States
Lincoln Shield Cent
The current Lincoln cent reverse, introduced in 2010, depicts a Union shield replacing the earlier Lincoln Memorial design as the fourth reverse in the cent's history.
United States
Flowing Hair Chain Cent
The first cent struck for circulation by the United States Mint, showing Liberty with flowing hair and a controversial 15-link chain on the reverse.
United States
1794 Flowing Hair Half Dime
One of the very first silver coins struck for circulation by the United States Mint, bearing the Flowing Hair Liberty design and a small eagle reverse.
United States
Lincoln Memorial Cent
The long-running Lincoln cent reverse featuring the Lincoln Memorial, used for half a century and one of the most commonly encountered coins in American pockets and collections.
United States
US State Quarters Series
A landmark US Mint program issuing a new quarter reverse design for each of the 50 states in the order they joined the Union, sparking widespread collecting interest nationwide.
United States