Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1999 New Jersey State Quarter
One of the original five 1999 State Quarters, honoring New Jersey with a rendition of Washington Crossing the Delaware, launching the wildly popular 50 State Quarters Program.
United States
2004 Texas State Quarter
A 2004 entry in the 50 State Quarters Program depicting an outline of Texas with a lone star, honoring the state's independent history as the Lone Star State.
United States
1999 Pennsylvania State Quarter
The second release in the U.S. Mint's 50 State Quarters Program, honoring Pennsylvania with a design featuring the state's outline, a keystone, and the Commonwealth statue.
Commemorative
1999 Delaware State Quarter
The debut coin of the U.S. Mint's 50 State Quarters Program, honoring Delaware as the first state to ratify the Constitution, featuring Caesar Rodney's historic ride.
Commemorative
2008 Hawaii State Quarter
The final release of the 50 State Quarters Program, honoring Hawaii with an image of King Kamehameha I extending his hand over the Hawaiian islands.
United States
2004-D Wisconsin State Quarter Extra Leaf
A famous 50 State Quarters error showing an extra corn leaf on the Wisconsin quarter's reverse, found in two forms known as Extra Leaf High and Extra Leaf Low.
Errors & Varieties
2005 Kansas State Quarter In God We Rust
A popularly nicknamed error on the 2005 Kansas state quarter in which a filled or damaged die caused the T in TRUST to appear missing, making the motto read 'IN GOD WE RUST.'
Errors & Varieties
2004 Wisconsin State Quarter Extra Leaf
A famous modern variety of the 2004 Wisconsin state quarter showing an unexplained extra leaf on the corn cob, found in both 'low leaf' and 'high leaf' forms.
Errors & Varieties
Viking Silver Penny of York
Silver penny struck by Norse rulers of the Viking Kingdom of York, blending Christian and pagan imagery such as crosses, swords, and Thor's hammers.
British
2005 Minnesota State Quarter Extra Tree (Doubled Die)
A doubled-die variety of the 2005 Minnesota state quarter that produces the illusion of an extra tree trunk among the treeline in the design, popular with modern variety collectors.
Errors & Varieties
US State Quarters Series
A landmark US Mint program issuing a new quarter reverse design for each of the 50 states in the order they joined the Union, sparking widespread collecting interest nationwide.
United States
Quarter Farthing
The smallest fractional denomination in British coinage, worth one-sixteenth of a penny, struck primarily for use in colonial Ceylon during Victoria's reign.
British
Quarter Guinea
A rarely issued small gold coin worth one-quarter of a guinea, struck only in 1718 under George I and again briefly in 1762 under George III.
British
Isabella Quarter
The only U.S. commemorative quarter dollar, struck for the 1893 World's Columbian Exposition and featuring Queen Isabella I of Spain, sponsor of Columbus's voyage.
Commemorative
New Zealand Penny (KGVI)
New Zealand bronze penny struck under King George VI, notable for its reverse featuring the native tuatara reptile, part of the country's distinctive 1933-launched coin series.
Africa & Oceania
New Jersey Copper
State-authorized copper coinage struck for New Jersey in the late 1780s, famous for its horse-head-and-plow obverse and shield reverse design.
United States
Decimal New Penny
The UK's smallest decimal coin, introduced on Decimal Day, 15 February 1971, inscribed "NEW PENNY" until 1982.
British
Sybaris Bull Stater
An archaic incuse-fabric silver stater from the legendarily wealthy city of Sybaris, showing a bull looking back over its shoulder, struck before the city's destruction in 510 BC.
Ancient
Lampsakos Electrum Stater
An electrum stater from Lampsakos on the Hellespont, another important early precious-metal trade coinage of Asia Minor, often featuring a winged horse or janiform head.
Ancient
Kroton Tripod Stater
A silver stater from the Greek colony of Kroton in southern Italy, depicting Apollo's sacred tripod, among the finest examples of the early incuse coinage style.
Ancient
Cyzicus Electrum Stater
An electrum stater from the trading city of Cyzicus on the Sea of Marmara, part of one of the most important and long-lived precious-metal trade currencies of the ancient world.
Ancient
Armorican Billon Stater
A debased silver-alloy stater struck by Celtic tribes of Armorica (modern Brittany), showing wildly abstracted horse and head designs derived from Greek prototypes.
Ancient
Corinthian Pegasus Stater
A widely circulated ancient Greek silver coin from Corinth, featuring the winged horse Pegasus on the obverse and a helmeted head of Athena on the reverse.
Ancient
1913 Barber Quarter
A lower-mintage date in the Barber Quarter series designed by Charles E. Barber, notable among collectors for the relatively small number struck at the Philadelphia Mint that year.
United States