Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Lewis and Clark Exposition Dollar
A small U.S. gold dollar for the 1905 Portland exposition — unusual for carrying an explorer portrait on each side, Meriwether Lewis and William Clark.
Classic Commemorative
Columbian Exposition Half Dollar
The first U.S. commemorative half dollar, issued for the 1893 World's Columbian Exposition with Christopher Columbus on the obverse and his three ships on the reverse.
Classic Commemorative
Panama-Pacific Exposition Dollar
An 1915 U.S. gold dollar struck for the Panama-Pacific International Exposition, showing a canal laborer and two dolphins encircling the denomination.
Classic Commemorative
Panama-Pacific Exposition Quarter Eagle
A 1915 gold $2.50 commemorative for San Francisco's Panama-Pacific Exposition, showing Columbia astride a hippocamp and an eagle on the reverse.
Classic Commemorative
Panama-Pacific Exposition $50 (Octagonal)
An eight-sided $50 gold commemorative struck for San Francisco's 1915 world's fair, showing Minerva and her owl — the largest U.S. coin of its era.
Classic Commemorative
Louisiana Purchase Exposition Dollar (Jefferson)
An 1903 U.S. commemorative gold dollar honoring the Louisiana Purchase, featuring Thomas Jefferson's left-facing profile and struck for the 1904 St. Louis World's Fair.
Classic Commemorative
Charles I Forty Pence
A hammered silver forty-pence piece of Charles I, showing his crowned armored bust and a crowned heraldic shield with the motto PRO REGE ET LEGE.
Hammered
Fort Moultrie Quarter
2016 U.S. copper-nickel clad 25-cent piece, the final America the Beautiful quarter, showing a Continental soldier with a flag defending Fort Moultrie, South Carolina.
Quarter
100 Forint (Commemorative)
A Hungarian bi-metallic 100 Forint commemorative pairing the national coat of arms with a bird of prey in flight, struck in a gold-toned ring and pale center.
Commemorative
Agathokles Commemorative Tetradrachm for Alexander the Great
Silver tetradrachm of Agathokles of Syracuse, c. 310-300 BC, struck in the Alexander tradition with a bearded head and an enthroned deity reverse.
Ancient
Maria Theresa Thaler
A large silver Austrian trade coin bearing the bust of Empress Maria Theresa, famously frozen at the date 1780 and restruck for centuries.
World
Solidus of Theodosius I
A late Roman gold solidus struck for the emperor Theodosius I (AD 379-395), showing his diademed portrait and the legend D N THEODOSIVS AVG.
Ancient
Isabella Quarter
The 1893 Isabella Quarter is the only U.S. commemorative quarter dollar, made for the Columbian Exposition's Board of Lady Managers.
Classic Commemorative
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
Denarius of Faustina the Elder
A silver Roman denarius honoring Faustina the Elder, wife of Antoninus Pius, with her draped bust and a seated Fortuna reverse, struck c. 141–161 AD.
Ancient
Crown of the Double Rose
A hammered Tudor gold crown of Henry VIII, valued at five shillings and named for the crowned double Tudor rose that defines its design.
Hammered
Aureus of Constantine I the Great
A Roman gold aureus struck for Constantine I the Great, showing his laureate portrait, from the era of his rise to sole power around AD 313.
Ancient
Louis d'Or Coin Weight
A French bronze monetary weight (poids monétaire) made to check the weight of a gold Louis d'Or, not a coin itself but a money-changer's balance weight.
Coin Weight
Shawnee Quarter
2016 U.S. America the Beautiful quarter honoring Shawnee National Forest in Illinois, showing the rock formations at Garden of the Gods.
Quarter
Roman Victoriatus
Silver Roman Republican victoriatus of the late 3rd–2nd century BC, with the laureate head of Jupiter and a Victory crowning a trophy above ROMA.
Ancient
White Mountain Quarter
2013 America the Beautiful quarter for White Mountain National Forest (NH), showing Mount Chocorua and birch trees over Chocorua Lake.
Quarter
Kenya 40 Shillings
A bimetallic Kenyan commemorative coin denominated 40 shillings, pairing a presidential portrait with the national coat of arms.
World
Spanish Colonial 2 Reales (Milled)
A small milled silver coin of the Spanish Empire, struck in colonial American mints; this example is dated 1776 and shows heraldic lions, castles and a crowned shield.
Colonial
500 Yen Niigata Prefecture Commemorative
A modern Japanese 500 Yen commemorative for Niigata Prefecture, showing a traditional ship that celebrates the region's maritime and port heritage.
Commemorative