Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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 EagleAmerican Arts Commemorative Series Gold Medallion
A U.S. Treasury gold bullion medallion series (1980–1984) honoring American artists; the photographed 1981 one-ounce piece features author Mark Twain.
Bullion MedallionCartwheel Penny
The heavy 1797 copper penny of George III, with a broad raised rim and sunken lettering, struck by steam power at Matthew Boulton's Soho Mint.
MilledBonn Notgeld 50 Pfennig
A German emergency-money (Notgeld) 50 Pfennig of the city of Bonn, dated 1920, with the civic arms on the obverse and a Beethoven profile on the reverse.
Token/notgeldConstitutional Ecu
A French silver ecu of the constitutional-monarchy era showing King Louis XVI on the obverse and a standing armed Liberty figure on the reverse, dated 1792.
RevolutionaryPhilippines 20 Centavos
A small wartime silver 20 centavos of the Commonwealth-era Philippines: a standing Liberty figure and Mayon volcano, with an eagle over a shield on the reverse.
Southeast AsiaPhilippines 25 Centavos
Silvery base-metal 25 centavos of the young Republic of the Philippines, dated 1958: a standing figure with a liberty torch and the Republic's sunburst coat of arms.
Southeast AsiaCapped Head Quarter Eagle
A rare early U.S. $2.50 gold coin struck 1821–1834, showing a left-facing capped Liberty head amid stars and a heraldic eagle with shield and E PLURIBUS UNUM.
United States20 Kroner
Danish aluminum-bronze 20 Kroner of 1990 honoring Queen Margrethe II, with a crown over a marguerite daisy and the dates 1940 and 1990.
ModernErstein Notgeld 50 Pfennigs
A 1917 German emergency-money token for 50 Pfennigs from Erstein in Alsace, with the town coat of arms on the obverse and a large 50 on the reverse.
Token/notgeldKing's Silver Jubilee Medal
British 1935 commemorative medal with overlaid profiles of King George V and Queen Mary and a castle reverse marking the Silver Jubilee.
Medals & TokensDenarius 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.
AncientFrankfurt am Main Taler
A 1772 silver Taler of the Free Imperial City of Frankfurt am Main, famed for its detailed city-view reverse with walls, towers and radiant sun.
German StatesGerman 2 Reichsmark Garrison Church Commemorative
A 1933 German silver 2 Reichsmark commemorative showing the Potsdam Garrison Church tower, issued to mark the "Day of Potsdam."
CommemorativeErstein Notgeld 5 Pfennigs
A World War I emergency small-change coin issued by the town of Erstein in 1917, with the civic coat of arms on one side and a large 5 on the other.
Token/notgeld3 Roubles (First All-Russian Coins)
Soviet 1982 commemorative 3 Roubles honoring the first all-Russian coins, showing three historical 18th-century Russian coins with the state emblem reverse.
CommemorativeReis (Peninsular War)
A 1910 Portuguese silver Reis struck under King Manuel II to mark the centenary of the Peninsular War, dated 1808-1814 across the king's bust.
ModernJordanian 2½ Dinars
A crown-sized 1977 silver commemorative of the Hashemite Kingdom of Jordan, pairing King Hussein's portrait with a standing gazelle from the wildlife-conservation coin theme.
WorldOaxaca 20 Centavos
A copper 20 centavos struck by revolutionary-era Oaxaca in 1915, showing a profiled bust on a round base and a large numeral 20 with the Mexican eagle.
RevolutionaryTransylvanian Ducat of Catherine of Brandenburg
Gold ducat dated 1630 of Catherine of Brandenburg, ruling Princess of Transylvania, with her portrait and a double-headed eagle and shield reverse.
MedievalSouth Africa 5 Shillings
A large 1952 South African silver crown marking Cape Town's 300th anniversary, with King George VI and a sailing-ship reverse.
CirculationPahlavi Reign Gold Medal
A gold medal of Pahlavi-era Iran, its obverse a left-facing royal portrait and its reverse the Lion and Sun beneath a crown, dated 1971.
Persia / IranSachsen-Weimar-Eisenach 5 Mark Commemorative
An 1908 German Empire 5 Mark silver commemorative of Saxe-Weimar-Eisenach marking the University of Jena's jubilee, with the founder's capped portrait.
CommemorativeEdward VI Crown
Hammered English silver crown of Edward VI (1547-1553), the first English crown coin and among the earliest English coins to carry a date.
Hammered