Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
U.S. Gold Five Dollar (Half Eagle)
Modern U.S. $5 gold coin: Saint-Gaudens striding Liberty with torch on the obverse and a soaring eagle reverse; this piece is dated 1987.
Us
Miliarensis of Constantius II
A late Roman silver miliarensis of Emperor Constantius II (AD 327–361), showing his diademed portrait 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
20 Francs (Leopold II)
Belgium's gold 20 francs under King Leopold II, a small Latin Monetary Union coin with the bearded king's profile and the crowned national arms.
Modern
Solidus of Constantius II
Late Roman gold solidus of Emperor Constantius II (337-361 AD), showing his diademed bust facing right paired with a seated-figure reverse.
Ancient Coins
Philip II Tetradrachm
A large silver coin of the Macedonian kingdom showing the laureate head of Zeus and a youthful horseman, struck under and after Philip II.
Ancient
Guinea of George II
A milled gold guinea of Great Britain struck during the reign of George II, with a left-facing royal bust and a crowned heraldic shield reverse.
Milled
Solidus of Valentinian II
A late Roman gold solidus struck for Valentinian II, showing his diademed profile with the obverse legend D N VALENTINIANVS, from the 380s AD.
Ancient
Charles II Half Guinea
A small milled gold coin of Charles II showing the king's laureate profile and a cruciform arrangement of crowned shields on the reverse.
Milled
Charles II Five Guineas
The largest English gold coin of Charles II's reign, showing his laureate profile and a cruciform arrangement of crowned shields on the reverse.
Milled
Two Guineas of George II
A large milled gold two-guinea piece of George II, with his left-facing laureate head and a crowned garnished shield of the royal arms; the pictured coin is dated 1738.
Milled
First Spouse Gold Coin (Alice Paul)
A 2012 half-ounce 24-karat gold coin from the U.S. Mint's First Spouse series honoring suffragist Alice Paul and the woman-suffrage movement.
Commemorative
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
American Liberty High Relief Gold Coin
A modern one-ounce, .9999 fine gold $100 coin from the US Mint's American Liberty series, struck in dramatic high relief with a contemporary Liberty and eagle design.
Bullion
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
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
Five Guineas of George II
The largest English gold coin of George II's reign, showing his laureate profile and a crowned heraldic shield of the royal arms on the reverse.
Milled
Half Guinea of George II
A small British gold coin of the reign of George II, worth half a guinea, with the king's left-facing bust and a crowned heraldic shield reverse.
Milled
Trinidad and Tobago Dollar
A Trinidad and Tobago one-dollar circulation coin dated 2015, showing the national coat of arms on the obverse and national emblems on the reverse.
Circulation
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
Gold Guinea
English gold coin of the Guinea denomination; the example shown bears the right-facing bust of Charles II with a crowned cruciform shield reverse dated 1668.
World Coins
Holey Dollar
Australia's first struck coin: a Spanish silver dollar with its centre punched out, counterstamped NEW SOUTH WALES 1813 and revalued at five shillings.
Australian
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
Eisenhower Dollar Bicentennial
U.S. one-dollar coin for the 1976 Bicentennial, with Eisenhower's profile and a special Liberty Bell superimposed on the Moon reverse.
Dollar