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

Spanish Colonial Cob 8 Reales (Macuquina)
A crudely hand-struck Spanish colonial silver coin, cut from irregular silver bars and stamped with a cross and shield, famed worldwide as the original 'piece of eight'.
Latin American
Peru 8 Reales (Lima Mint)
The flagship silver dollar-size coin of colonial and early republican Peru, struck at the historic Lima mint from cob and pillar types through crowned-shield busts.
Latin American
Dutch Lion Daalder (Leeuwendaalder)
A silver trade coin of the Dutch Republic showing an armored knight and a rampant lion, exported in vast quantities to the Levant, Russia, and the American colonies.
European
Kellogg & Co. Gold Piece
Private gold coinage struck by the San Francisco firm Kellogg & Co. during the California Gold Rush, including the famous octagonal fifty-dollar 'slug' of 1855, filling a shortage of circulating coin.
United States
Saint-Gaudens Double Eagle
Widely regarded as one of the most beautiful U.S. coins ever produced, designed by sculptor Augustus Saint-Gaudens at the urging of President Theodore Roosevelt.
United States
Ethiopian Birr (Menelik II)
Silver birr introduced by Emperor Menelik II of Ethiopia, modeled on the weight and fineness of the Maria Theresa thaler, featuring his crowned bust and the Lion of Judah.
Africa & Oceania
Ryal
A large Scottish silver coin issued under Mary, Queen of Scots and Henry Stewart, Lord Darnley, nicknamed the 'sword dollar' for the crowned sword on its reverse.
British
Netherlands Lion Daalder (Leeuwendaalder)
A large silver trade coin of the Dutch provinces showing a knight and a rampant lion, widely circulated in colonial North America and the Ottoman world as the prototype 'lion dollar.'
European
Draped Bust Large Cent
An early American copper cent showing a classically draped Liberty, based on a Gilbert Stuart portrait, minted at the dawn of United States coinage.
United States
Colombian Peso Silver
Colombia's traditional silver dollar-sized coin, struck across different eras of the country's political evolution, from Nueva Granada through the modern Republic of Colombia.
Latin American
American Silver Eagle
The official one-ounce silver bullion coin of the United States, first struck in 1986, pairing Adolph Weinman's Walking Liberty design with a modern heraldic eagle.
Bullion
Spanish 2 Reales Pillar
The Pillar 2 Reales was a fractional Spanish colonial silver coin featuring the famous Pillars of Hercules design, struck at mints across Spanish America and widely used in international trade.
Latin American
German States Thaler
A large silver coin struck by the many independent states of the German-speaking world for over three centuries, and the direct linguistic ancestor of the word 'dollar.'
European
Maria Theresa Thaler
An Austrian silver trade coin dated 1780 that has been restruck continuously for over two centuries, remaining a trusted currency across parts of Africa and the Middle East long after its original issue.
European
Bolivia 8 Reales (Potosi Mint)
A major Spanish colonial and early Bolivian silver dollar struck at the legendary Potosí mint, fed by the immense silver deposits of the Cerro Rico mountain.
Latin American
Panama-Pacific $50 Gold (Round)
A massive round commemorative gold piece struck for the 1915 Panama-Pacific International Exposition, one of the rarest and most valuable U.S. commemorative coins ever issued.
Commemorative
1804 Draped Bust Eagle
The final date of the original ten-dollar gold eagle series before a 33-year production halt, later followed by a small number of 1834 diplomatic-gift restrikes made using a similarly dated die.
United States
2000-P Sacagawea/Washington Quarter Mule
An extraordinarily rare mint error pairing the golden Sacagawea dollar obverse with a Washington quarter reverse die, one of the most famous modern mule errors in U.S. coinage.
Errors & Varieties
Reichsthaler
The standard large silver coin of the Holy Roman Empire and its constituent German states from the 16th century onward, whose name is the direct linguistic ancestor of the word 'dollar.'
European
Liberty Cap Large Cent
An early United States copper cent showing Liberty with a pole and pileus (liberty cap) over her shoulder, the third cent design used in the Mint's first years.
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
Spanish Colonial 8 Reales Ferdinand VII
A large silver 8 reales coin struck across Spain's American colonies bearing the portrait of King Ferdinand VII, widely circulated internationally and historically linked to the origin of the US dollar sign.
World
Connecticut Copper
State-authorized copper coinage struck for Connecticut in the mid-1780s, featuring a bust obverse and seated Liberty reverse across numerous die varieties.
United States
Lincoln Bicentennial Cent (2009)
A one-year series of four different reverse designs issued in 2009 to mark the 200th anniversary of Abraham Lincoln's birth and the centennial of the Lincoln cent.
Commemorative