Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
20 Kroner
Danish aluminum-bronze 20 Kroner of 1990 honoring Queen Margrethe II, with a crown over a marguerite daisy and the dates 1940 and 1990.
ModernPennsylvania State Quarter
1999 U.S. 25-cent piece, second in the 50 State Quarters series, showing the Commonwealth statue, state outline, and a keystone for Pennsylvania.
QuarterSpanish Doubloon (8 Escudos)
Large Spanish gold coin worth eight escudos, showing the right-facing bust of King Charles IV and a crowned Spanish shield with a cross.
World CoinsBrutus & Plaetorius Denarius
The silver EID MAR denarius: M. Junius Brutus on the obverse, a Phrygian cap between two daggers and EID MAR on the reverse, struck 42 BC.
AncientEmpire 20 Pesos
A gold 20 pesos of the Second Mexican Empire, showing a bearded imperial portrait, the legend IMPERIO MEXICANO, and a crowned heraldic coat of arms.
CirculationChristopher Columbus Quincentenary Silver Dollar
A 1992 U.S. 90% silver commemorative dollar marking 500 years since Columbus's 1492 voyage, with a standing Columbus obverse and a sailing-ship reverse.
Modern Commemorative1 Sol (Gold)
A 19th-century Peruvian 1 Sol note from El Banco de Piura, with a seated torch-bearer and a standing laborer flanking a bold UN SOL.
CirculationDenarius of Cassius Longinus
Silver denarius struck in 42 BC by Gaius Cassius Longinus, one of Caesar's assassins, to pay his legions before the Battle of Philippi.
Ancient10 Roubles (Elizabeth)
An Imperial Russian gold 10 Roubles of Empress Elizabeth, showing her crowned portrait and the double-headed eagle with orb and scepter, dated 1756.
Early Modern