Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Monroe Doctrine Centennial Half Dollar
A 1923 U.S. silver commemorative half dollar marking the centennial of the Monroe Doctrine, with jugate portraits of James Monroe and John Quincy Adams.
Classic Commemorative
British North Borneo Half Cent
An 1885 copper half cent of British North Borneo: a bust in a laurel wreath on the obverse and the company arms with a heraldic supporter on the reverse.
Colonial
Hong Kong 10 Cents
A small silver 10-cent coin of British Hong Kong showing the crowned profile of King Edward VII, with 'HONG-KONG TEN CENTS' and Chinese characters on the reverse.
Circulation
Israel 10 Sheqalim Hanukka Commemorative
A silver Bank of Israel commemorative from the annual Hanukka series, showing a historic Hanukka lamp with stars, dated 1983 and valued at 10 Sheqalim.
World
Walking Liberty Half Dollar
A classic U.S. silver half dollar struck 1916–1947, showing Liberty striding toward the sunrise on the obverse and a perched eagle on the reverse.
Half Dollar
Indian Head Gold Dollar
Tiny U.S. one-dollar gold coin (1854–1889) with an Indian-princess Liberty in a feathered headdress and a denomination-and-date wreath reverse.
Gold Dollar
Three-Dollar Gold Piece
An unusual U.S. gold coin of the $3 denomination struck 1854–1889, showing a Liberty head in a feathered Indian-style headdress. The photo shows the 1854 first year.
Gold Type Coin
Gold Dinar of al-Muqtadi
An aniconic Abbasid gold dinar of Caliph al-Muqtadi, covered on both faces with Arabic calligraphy and ornamental borders, struck in the later 11th century.
Islamic (Medieval)
French Half Ecu (Demi-Ecu)
A silver half ecu of Louis XVI dated 1792, with his bust left and a standing winged genius reverse reading L'AN 4 DE LA LIBERTE.
Royal
Dutch East Indies Duit
Small copper duit of the Dutch East India Company (VOC), showing the interlaced VOC monogram and a crowned provincial coat of arms, dated 1735.
Southeast Asia
Río de la Plata Copper Real
A copper real of the Río de la Plata showing the Sol de Mayo sun and a PROVINCIAS legend, dated 1785 — a provincial-style piece from the Argentine region.
Colonial
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
Israel 100 Sheqalim Hanukka Commemorative
A 1985 Israeli silver commemorative for the festival of Hanukka, its obverse dominated by a menorah and festive lamp motif.
World
Bill of Rights Silver Dollar
A 1993 U.S. silver dollar honoring the bicentennial of the Bill of Rights, showing a Liberty figure with torch and flags and an eagle above Montpelier.
Modern Commemorative
Lexington-Concord Sesquicentennial Half Dollar
A 1925 U.S. silver commemorative half dollar marking the 150th anniversary of the battles of Lexington and Concord, showing the Concord Minuteman and the Old Belfry.
Classic Commemorative
Denarius of Marcus Aurelius
Roman silver denarius of Marcus Aurelius (c. 170-171 AD): laureate bearded emperor on the obverse, a standing personification on the reverse.
Ancient
Denarius of Lucius Verus
A silver Roman denarius of the emperor Lucius Verus (161–169 AD), showing his curly-haired, bearded portrait facing right with a Latin legend.
Ancient
Denarius of M. Sanquinius
A silver denarius struck at Rome in 17 BC by the moneyer M. Sanquinius under Augustus, tied to the Secular Games, with a male portrait and a standing herald.
Ancient
Lewis and Clark Bicentennial Dollar
A golden manganese-brass dollar marking the 2004 bicentennial of the Lewis and Clark Expedition, pairing the two explorers with Peace and Friendship imagery.
Commemorative
Denarius of Augustus
Silver denarius of Augustus (c. 19-18 BC) with his bare head and a comet-star of the deified Julius Caesar, inscribed DIVVS IVLIVS.
Ancient Coins
Almoravid Gold Dinar
Pure-gold dinar of the Almoravid dynasty, struck in Islamic Spain and North Africa with concentric Arabic legends; this piece is dated 1116 CE.
Medieval Islamic
McKinley Memorial Gold Dollar
A small U.S. gold commemorative dollar honoring President William McKinley, sold to fund the memorial at his Niles, Ohio birthplace.
Classic Commemorative
Huguenot-Walloon Tercentenary Half Dollar
A 1924 U.S. silver commemorative half dollar marking 300 years of Huguenot and Walloon settlement in America, with two settler profiles and a sailing ship.
Classic Commemorative
Sestertius of Didius Julianus
A large bronze/orichalcum sestertius of Didius Julianus, the emperor who reigned only weeks in 193 AD — rare, historically charged, and much sought after.
Ancient