Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
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
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
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
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
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
1796 Draped Bust Quarter
The very first quarter dollar struck by the United States Mint, a one-year type coin with a tiny mintage that is treasured by collectors of early American silver.
United States
1866 Seated Liberty Quarter (Motto)
The first year the motto IN GOD WE TRUST appeared on the quarter dollar, the low-mintage 1866 Philadelphia issue is a genuine key date of the Seated Liberty series.
United States
1934 Washington Quarter Doubled Die Obverse
An early doubled die variety from the second year of the Washington quarter series, showing doubling on the obverse and collected as part of specialized variety sets.
Errors & Varieties
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
Norwegian Speciedaler
Norway's principal silver coin from the establishment of its independent currency in 1816 until the krone reform of the 1870s.
European
George V Ten Cents
Canada's silver ten-cent coin struck throughout the long reign of King George V, spanning the First World War era through to the mid-1930s.
Canadian
1921 Peace Dollar (High Relief)
The debut issue of the Peace dollar, struck in dramatic high relief that proved difficult to mint, commemorating peace after World War I.
United States
Draped Bust Half Cent
An early U.S. copper coin depicting a draped bust of Liberty, struck for everyday small change in the first decade of the 19th century.
United States
Republican Quinarius
A half-denarius silver coin of the Roman Republic, often depicting the twin gods Castor and Pollux (the Dioscuri) riding on horseback.
Ancient