Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1 Euro (10 Years EMU)
Dutch bi-metallic 1 Euro marking ten years of Economic and Monetary Union, with a stylized integration design and the twin dates 1999 and 2009.
Commemorative
Capped Bust Quarter Eagle
A one-year U.S. gold $2.50 piece struck only in 1808, with John Reich's capped Liberty obverse and a heraldic eagle reverse. A classic rarity.
Quarter Eagle
Walking Liberty Half Dollar Centennial Gold
A 2016-W gold collector coin marking the centennial of the 1916 Walking Liberty half dollar, struck in 1/2 oz of 24-karat gold at West Point.
Half Dollar
Native American Dollar - Peratrovich
The 2020 U.S. golden dollar in the Native American series, honoring Tlingit civil rights leader Elizabeth Peratrovich and the 1945 Alaska Anti-Discrimination Law.
Dollar
Native American Dollar - Tallchief
2023 Native American $1 Coin whose reverse honors Maria Tallchief and the five Osage ballerinas, struck in golden manganese brass.
Dollar
Theodore Roosevelt Quarter
U.S. 25-cent America the Beautiful quarter for 2016, showing a young Theodore Roosevelt on horseback with the inscription THEODORE ROOSEVELT / NORTH DAKOTA.
Quarter
Benjamin Franklin Founding Father Commemorative Silver Dollar
A 2006 U.S. commemorative silver dollar honoring Benjamin Franklin, showing him flying his kite in the electricity experiment, with a 'MIND YOUR BUSINESS' reverse.
Dollar
Sacagawea Dollar
U.S. golden-colored dollar coin showing Sacagawea and her infant son on the obverse and a soaring eagle on the reverse, struck 2000–2008.
Dollar
Antoninianus
Roman imperial coin of the crisis era, marked by a radiate (spiked) crown on the emperor's head; struck in debased silver-and-copper billon, c. 250-270 AD.
Ancient Coins
Lysimachos Gold Stater
Gold stater of Lysimachos, king in Thrace and Macedon c. 305-281 BC, with a deified head of Alexander the Great and an enthroned Athena reverse.
Ancient
Follis of Diocletian
A large silver-washed bronze coin of the Tetrarchy, introduced by Diocletian's currency reform around AD 294 with a stern laureate portrait.
Ancient
Turban Head Half Eagle
First U.S. gold $5 coin, 1795: Liberty in a soft cap facing right, with a heraldic shield-breasted eagle reverse struck in 22-karat gold.
Half Eagle
Follis of Maximian
A large silvered-bronze follis of the emperor Maximian, introduced with Diocletian's coin reform of the Tetrarchy around AD 294.
Ancient
Antoninianus of Caracalla
The antoninianus introduced by Caracalla around AD 215, a radiate-crowned double denarius in debased silver that reshaped Roman coinage.
Ancient
American Gold Eagle
The United States' official gold bullion coin since 1986, struck in 22-karat gold in four sizes with a Saint-Gaudens striding Liberty obverse.
Bullion
Pennsylvania State Quarter
1999 U.S. 25-cent piece, second in the 50 State Quarters series, showing the Commonwealth statue, state outline, and a keystone for Pennsylvania.
Quarter
Half Sovereign of George III
British 22-carat gold half sovereign of George III, introduced in 1817 with a laureate bust and a crowned shield of arms; face value ten shillings.
Milled
Abbasid Copper Fals
A hand-struck Abbasid copper fals dated AH 219 (834–835 CE), covered entirely in linear Arabic inscriptions with no portrait or figural imagery.
Islamic (Medieval)