Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Penny
One of the oldest and most iconic British denominations, the pre-decimal penny is famous for its large bronze Britannia design and beloved key dates like the 1933 penny.
British
Third Guinea
A small gold coin worth one-third of a guinea, or seven shillings, struck under George III in the years leading up to the introduction of the modern sovereign.
British
Julius Caesar Portrait Denarius
A landmark Roman coin struck in 44 BC bearing the portrait of Julius Caesar during his lifetime, the first time a living Roman had appeared on state coinage.
Ancient
Constantine Sol Invictus Follis
A common bronze follis of Constantine the Great honoring Sol Invictus, the radiate sun god, struck empire-wide before his turn toward Christianity.
Ancient
Constantine the Great Follis
A bronze coin of Constantine the Great, the emperor who legalized Christianity and founded Constantinople, struck at numerous mints across a transforming empire.
Ancient
Mark Antony Legionary Denarius
A widely produced denarius struck by Mark Antony to pay his legions before the Battle of Actium, each type naming a specific Roman legion on the reverse.
Ancient
Julia Domna Denarius
Silver denarius of Julia Domna, Syrian-born wife of Septimius Severus and mother of Caracalla, a politically influential empress of the Severan dynasty.
Ancient
Faustina the Younger Denarius
Silver denarius of Faustina the Younger, daughter of Antoninus Pius and wife of Marcus Aurelius, whose coinage emphasizes fertility and family themes.
Ancient
Commodus Denarius
Silver denarius of Commodus, the erratic son of Marcus Aurelius, whose later coinage famously depicted him as Hercules with lion skin and club.
Ancient
Faustina the Elder Denarius
Posthumous silver denarius honoring Faustina the Elder, wife of Antoninus Pius, struck for two decades after her death and deification in 140/141 AD.
Ancient
Himera Nymph Tetradrachm
Silver tetradrachm of the Sicilian city of Himera, showing a nymph sacrificing at an altar with a satyr bathing below, referencing the city's famous hot springs.
Ancient
Larissa Nymph Facing Drachm
A celebrated Thessalian silver drachm showing the facing head of the nymph Larissa, considered one of the finest facing-portrait achievements in Greek coin art.
Ancient
Selinus (Selinunte) River God Tetradrachm
Silver coinage of the Sicilian city of Selinus, notable for depicting the local river god sacrificing at an altar, along with the celery leaf that puns on the city's name.
Ancient
1885 Trade Dollar
One of the rarest official United States coins, a proof-only issue struck years after the Trade dollar series had officially ended, with only a handful of examples known.
United States
1968 No S Proof Roosevelt Dime
The first of the famous 'No S' proof Roosevelt dime errors, struck at San Francisco without its mintmark; scarce but more available than later No S dimes.
Errors & Varieties
1878 Twenty-Cent Piece (Proof)
The final-year proof-only issue of the US twenty-cent piece, struck for collectors just before Congress formally ended the short-lived denomination.
United States
1877 Twenty-Cent Piece (Proof)
A proof-only issue of the twenty-cent piece, struck for collectors after the denomination had already been abandoned for regular circulation.
United States
Type II Silver Three-Cent Piece
A short-lived redesign of the silver three-cent piece with heavier silver content and an outlined star, known for weak strikes and generally low mintages.
United States
Draped Bust Large Cent
An early American copper cent showing a classically draped Liberty, based on a Gilbert Stuart portrait, minted at the dawn of United States coinage.
United States
1851 Silver Three-Cent Piece
The first-year issue of the tiny Type I silver three-cent piece, nicknamed the trime, created to ease a national shortage of small change and postage-stamp coinage.
United States
Canadian Maple Leaf (Gold)
Introduced in 1979, the Canadian Gold Maple Leaf was one of the first .9999 pure gold bullion coins in the world and remains a benchmark product of the Royal Canadian Mint.
Bullion
Bahraini Dinar
Modern decimal currency of Bahrain, introduced in 1965 to replace the Gulf Rupee, with the dinar divided into 1,000 fils.
Asian
1857 Flying Eagle Cent
The first-year circulation issue of the Flying Eagle Cent, marking the debut of the small-format cent that replaced the old large copper cent.
United States
George Noble
A short-lived English gold coin of 1526 depicting St. George slaying the dragon, among the rarest coins of Henry VIII's reign.
British