Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1979 Susan B. Anthony Dollar
The first year of the Susan B. Anthony dollar, the first U.S. circulating coin to depict a real, named woman, notable for the scarce 1979-P wide-rim (Near Date) variety.
United States
Barber Half Dollar
A 90% silver half dollar (1892-1915) with a right-facing Liberty head designed by Charles E. Barber, part of a matching Barber dime, quarter, and half dollar series.
United States
1921 Morgan Dollar
The final year of Morgan dollar production, struck in massive numbers at all three mints after the Pittman Act required replacement of melted silver dollars.
United States
1871-CC Seated Liberty Dime
One of the first dimes struck at the newly opened Carson City Mint, produced in very limited numbers and highly prized by collectors of CC-mint coinage.
United States
1942/1 Mercury Dime Overdate
A famous overdate error, this Philadelphia Mercury Dime shows remnants of a 1941 digit beneath the 1942 date, created when an old die hub was reused by mistake.
Errors & Varieties
Capped Bust Half Dime
Struck between 1829 and 1837, the Capped Bust Half Dime brought a smaller, mechanically consistent version of the Capped Bust design to America's smallest silver coin.
United States
Roman Denarius
The workhorse silver coin of ancient Rome for over four centuries, used across the Republic and Empire and one of the most widely collected categories of ancient coinage today.
Ancient
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
1919-D Standing Liberty Quarter
A semi-key Denver-minted Standing Liberty quarter, scarcer than common dates of the series and notably difficult to find with a fully struck head.
United States
1923-S Standing Liberty Quarter
A scarce San Francisco key date of the Standing Liberty quarter series, valuable in all grades and especially rare with a fully struck head.
United States