Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
American Palladium Eagle
The U.S. Mint's one-ounce .9995 fine palladium bullion coin, launched in 2017 with classic Weinman Mercury dime and eagle designs.
Bullion
Miliarensis of Constantius II
A late Roman silver miliarensis of Emperor Constantius II (AD 327–361), showing his diademed portrait and a standing reverse figure.
Ancient
2 Koruny
A circulating Czech Republic coin introduced in 1993, known by its eleven-sided shape, the Czech heraldic lion, and a Great Moravian jewel motif beside 2 Kč.
Modern
Tanzania 100 Shillings
A golden brass Tanzanian coin worth 100 shillings, showing a lively scene of running antelope with the Swahili legend SHILINGI MIA MOJA.
World
Indonesia 100 Rupiah
A modern lightweight aluminium 100 Rupiah of Indonesia, carrying the Garuda Pancasila national emblem, the BANK INDONESIA legend and the 100 denomination.
Southeast Asia
Kai Yuan Tong Bao
A Tang-dynasty Chinese bronze cash coin with the four seal-script characters Kai Yuan Tong Bao around a central square hole.
Cash Coin
Aureus of Nero
Roman imperial gold aureus of Emperor Nero (54-68 AD), showing his curly-haired portrait facing right with a Latin imperial legend.
Ancient Coins
Keicho Oban
A large, thin oval Japanese gold oban of the Keicho era, hammer-marked with horizontal striations and bearing brush-inked ink signatures and paulownia crests.
Historic
Vespasian Judaea Capta Denarius
Silver denarius of Emperor Vespasian (71–79 AD) with his laureate bust and a Judaea Capta reverse showing a mourning seated captive.
Ancient
Brutus Aureus
The gold aureus of Marcus Junius Brutus, struck 42 BC, whose reverse celebrates Caesar's assassination with EID MAR, a cap of liberty, and two daggers.
Ancient
25 Pesetas (Franco)
Spain's common Franco-era 25 pesetas, a silvery copper-nickel coin bearing the national coat of arms and the value 25; dated 1957 but struck into the 1970s.
Modern
Solidus of Justinian I
Byzantine gold solidus of Emperor Justinian I (527-565 AD), showing his crowned imperial bust with a seated figure on the reverse.
Ancient Coins
Tanzania 500 Shillings
A modern base-metal circulating coin of Tanzania carrying a right-facing portrait long associated with the nation's founding president and a Kiswahili legend.
World
Indonesia 5 Rupiah
A lightweight aluminum 5-rupiah coin of the Republic of Indonesia dated 2003, carrying the Garuda eagle emblem and the legend Bank Indonesia.
Southeast Asia
Denarius of Commodus
A silver denarius of the Roman emperor Commodus (180–192 AD), with his laureate bearded portrait and a standing deity or personification on the reverse.
Ancient
British Half Sovereign
A small 22-carat British gold coin worth ten shillings; the pictured example shows Queen Victoria's left-facing Young Head portrait, dated 1863.
British
American Gold Eagle
The United States' official gold bullion coin since 1986, struck in 22-karat gold in four sizes with a Saint-Gaudens striding Liberty obverse.
Bullion
American Platinum Eagle
The United States' official platinum bullion coin, struck in .9995 fine platinum with a Statue of Liberty obverse; this is the 1998 one-tenth-ounce $10 issue.
Bullion
Macao 5 Patacas
A distinctive octagonal Macao 5 Patacas circulation coin dated 2007, showing a denomination-marked face and a sailing ship over a harbor scene.
Circulation
Denarius of Septimius Severus
Silver denarius of the Roman emperor Septimius Severus (193–211 AD), showing his laureate head and a standing reverse figure.
Ancient
Sestertius of Vespasian (Iudaea Capta)
Large Roman bronze sestertius of Vespasian (AD 70–71) marking the conquest of Judaea, with a palm tree and mourning captives on the reverse.
Ancient
Antoninianus of Claudius II
A billon antoninianus of the Roman emperor Claudius II Gothicus (268–270 AD), showing his radiate bust on one side and a standing deity on the other.
Ancient
100 Lire
Italy's 1979 100 Lire, a nickel-hued FAO commemorative with a woman's profile on the obverse and an allegorical figure beside the value on the reverse.
Modern
Roman Siliqua
Small late-Roman silver coin of the 4th century AD, with an emperor's portrait facing right and a standing robed figure on the reverse.
Ancient