Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Minnesota State Quarter
2005 U.S. 25-cent coin in the 50 State Quarters series, showing Minnesota's outline, a common loon, anglers in a boat, and pines above 1858.
Quarter
Charles I Twenty Pence
A small hammered silver twenty-pence coin of Charles I, showing his crowned profile and a heraldic reverse with rose and thistle badges.
Hammered
Brunei Golden Jubilee 50 Cents
A copper-nickel 50-cent coin from Brunei's 2017 Golden Jubilee, showing a palm-leaf design with Arabic text and a reverse with the value and a floral motif.
Southeast Asia
Junk Dollar
China's Republic-era silver dollar with Sun Yat-sen facing left and a Chinese junk under sail on the reverse; the pictured coin is Year 23 (1934).
Circulation
Saint-Gaudens Double Eagle
United States $20 gold coin (1907–1933) designed by Augustus Saint-Gaudens, showing a striding Liberty with torch and olive branch before a radiant sun.
Gold Type Coin
Guangxu Yuanbao 1 Mace 4.4 Candareens
A small silver dragon coin of Qing China from the Guangxu era, its face reading 1 Mace 4.4 Candareens and its back showing a coiled Chinese dragon.
Circulation
Macao 5 Patacas
A distinctive octagonal Macao 5 Patacas circulation coin dated 2007, showing a denomination-marked face and a sailing ship over a harbor scene.
Circulation
Denarius of Septimius Severus
Silver denarius of the Roman emperor Septimius Severus (193–211 AD), showing his laureate head and a standing reverse figure.
Ancient
Antoninianus of Claudius II
A billon antoninianus of the Roman emperor Claudius II Gothicus (268–270 AD), showing his radiate bust on one side and a standing deity on the other.
Ancient
Native American Dollar
U.S. golden dollar with the Sacagawea obverse and a yearly-changing reverse; the 2009 issue shows Native American agriculture and three corn stalks.
Dollar
Indonesia 1000 Rupiah
A 2010 Indonesian 1000-rupiah circulation coin, its obverse bearing the Garuda Pancasila emblem and Bank Indonesia legend, its reverse a traditional monument design.
Southeast Asia
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
Half Sovereign
A small British 22-carat gold coin worth ten shillings; this example shows Queen Victoria's veiled, crowned Jubilee Head portrait and is dated 1887.
World Coins
Antoninianus of Tetricus I
A billon antoninianus of the Gallic emperor Tetricus I (270–273 AD), showing his radiate portrait and a standing figure of Pax on the reverse.
Ancient
Eisenhower Dollar
Large U.S. dollar coin struck 1971–1978 with Eisenhower's profile and an eagle landing on the Moon, most circulation issues in copper-nickel clad.
Dollar
Susan B. Anthony Dollar
U.S. small-size copper-nickel clad dollar coin (1979–1981, 1999) featuring suffragist Susan B. Anthony and an eagle landing on the moon.
Dollar
Roosevelt Dime
The circulating U.S. ten-cent coin honoring Franklin D. Roosevelt, shown here as a 1965 copper-nickel clad issue with a torch, olive, and oak reverse.
Dime
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
Guangxu Yuanbao 7 Mace 2 Candareens
A silver Chinese dragon dollar of the Guangxu era, marked Guangxu Yuanbao and valued at 7 Mace 2 Candareens, with a coiled dragon on one face and Chinese legends on the other.
Circulation
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
Antoninianus of Numerian
Late Roman radiate coin of the short-lived emperor Numerian (283-284 AD), showing his spiked crown and a Victory or standing deity on the reverse.
Ancient
1 Markka
Finland's bimetallic one-markka coin (1993–2001), with a crowned heraldic lion on one face and a large numeral 1 on the other.
World
Antoninianus of Carinus
Bronze radiate coin of the emperor Carinus (283-285 AD), recognizable by his spiked crown and a standing or seated deity on the reverse.
Ancient
Antoninianus of Valerian II
Roman radiate coin of Valerian II, the young Caesar (c. 253-260 AD), showing his spiked crown and a standing figure on the reverse.
Ancient