Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Denarius of Octavian and Caesar
A Roman Imperatorial silver denarius pairing the young Octavian with his adoptive father Julius Caesar, struck around 43–42 BC.
Ancient
Byzantine Nummus of Tiberius Constantine
A small bronze coin of Byzantine emperor Tiberius II Constantine (AD 578-582), with an imperial portrait or inscription and a mark of value or monogram.
Ancient
Poltina (½ Rouble)
Silver half-rouble of Imperial Russia dated 1857, marked ПОЛТИНА on one side and bearing the crowned double-headed eagle of the Romanov empire.
Modern
1 Kopeck
Small copper 1 Kopeck of Imperial Russia dated 1908, with the value in a wreath on one side and the crowned double-headed eagle on the other.
Modern
10 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
Augsburg Commemorative Medal
A gold commemorative medal of the Free Imperial City of Augsburg, showing a detailed spired cityscape with religious imagery and a heraldic reverse.
Medal
5 Roubles (Alexander III)
An Imperial Russian gold 5 Roubles of Alexander III, showing the tsar's bearded profile and the crowned double-headed eagle, struck in the late 1880s.
Modern
Pahlavi Reign Gold Medal
A gold medal of Pahlavi-era Iran, its obverse a left-facing royal portrait and its reverse the Lion and Sun beneath a crown, dated 1971.
Persia / Iran
1 Leu (Carol I)
Silver 1 Leu of the Kingdom of Romania under King Carol I, with his left-facing portrait and the crowned national arms, dated 1900.
Modern
100 Lei
A scarce Kingdom of Romania gold 100 Lei of 1939, showing King Carol II in profile on the obverse and the crowned Romanian coat of arms on the reverse.
Modern
20 Lei
Romania's first gold coin, the 1870 20 Lei of Prince Carol I, pairing his left-facing portrait with the national coat of arms.
Modern
Atilia Denarius
Roman Republican silver denarius struck by a moneyer of the gens Atilia, with a helmeted head on the obverse and a deity or figure with the family name on the reverse.
Ancient
Manlius Vulso Æ Sextans
Small Roman Republican bronze sextans signed by the moneyer Manlius Vulso, with a capped male head and the classic prow reverse marked ROMA.
Ancient
Julius Caesar Denarius
Silver Roman denarius of 44 BC bearing the bareheaded portrait of Julius Caesar, among the first Roman coins to show a living statesman's likeness.
Ancient
Caecidius Noctua Denarius
A silver Roman Republican denarius of the owl (noctua) symbol series, catalogued RRC 135/1 and dated c. 194–190 BC.
Ancient
Numapis Denarius
A silver denarius of the Roman Republic (1st century BC) pairing a male portrait facing right with a ship or galley and lettering on the reverse.
Ancient
Glycon Bronze Coin
Roman provincial bronze of the 2nd century AD showing the snake-god Glycon: a bearded serpent head on one side and a coiled snake on the other.
Ancient
Brutus & 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.
Ancient
Nemausus As/Dupondius (Crocodile Type)
The famous crocodile of Nimes: a large Roman provincial bronze with paired heads of Agrippa and Augustus and a crocodile chained to a palm.
Ancient
Calpurnia Denarius
Silver Roman Republican denarius of the Calpurnia gens: a right-facing male head on the obverse and a galloping horseman with inscription on the reverse.
Ancient
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
Caesar Elephant Denarius
Silver denarius of Julius Caesar (49–48 BC) showing an elephant trampling a serpent above CAESAR, paired with priestly pontifical emblems.
Ancient
10 Pahlavi Gold Coin
A large gold coin of Imperial Iran valued at ten Pahlavi, showing Mohammad Reza Shah on the obverse and the crowned Lion and Sun on the reverse.
Persia / Iran
Kiautschou 5 Cents
A 1909 nickel 5 Cent coin of the German-leased Kiautschou Bay territory in China, pairing Chinese characters with the German imperial eagle.
Colonial