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
Sestertius of Marcus Aurelius
A large Roman bronze sestertius struck during the reign of Marcus Aurelius (161–180 CE), with his laureate portrait facing right and a Latin legend.
Ancient
Antoninianus of Otacilia Severa
Roman double-denarius of the empress Otacilia Severa, wife of Philip I (246-248 AD), with her draped bust and a standing personification on the reverse.
Ancient
Half Crown of William III and Mary II
A milled silver half crown of the joint reign of William III and Mary II, showing their conjoined busts and a crowned heraldic shield, dated 1691.
Milled
Silver Rupee of Bombay Presidency
British East India Company silver rupee struck at Bombay in the name of Mughal emperor Akbar II, bearing Persian legends.
Princely & Presidency States
Bank of Upper Canada One Penny Token
Copper penny token of the Bank of Upper Canada showing St. George slaying the dragon, with a crowned royal-arms reverse; this example dated 1854.
Canadian & Provincial
Bronze Coin of Septimius Severus (Tyre)
Roman provincial bronze struck at Tyre (Phoenicia) under Septimius Severus, 193-211 AD, with the emperor's bust on the obverse and a temple or deity reverse.
Ancient
Antoninianus of Trebonianus Gallus
A radiate-crowned billon antoninianus of the emperor Trebonianus Gallus, struck AD 251-253 with a standing deity or personification on the reverse.
Ancient
Gold Crown of Henry VIII (Third Coinage)
A hammered Tudor gold crown of five shillings struck during Henry VIII's Third Coinage, the debased issue that earned him the nickname "Old Coppernose."
Hammered
Thebes Stater
Silver stater of Thebes with the Boeotian shield and a bearded head of Dionysos, struck as federal coinage of the Boeotian League, c. 395-338 BC.
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
Half Centenionalis of Constans or Constantius II
A small mid-4th-century Roman bronze attributed to Constans or Constantius II, sons of Constantine the Great, worn but identifiable by its imperial portrait and era.
Ancient
Gold Toman of Agha Mohammad Khan Qajar
A gold toman of Agha Mohammad Khan, founder of the Qajar dynasty, struck at Qazvin in AH 1206–1207 (1792–1793), covered in Persian calligraphy with no portrait.
Persia / Iran
Gold Dinar of Abu'l-Fawaris Ahmad (Buyid)
A hand-struck gold dinar of the Iranian Buyid dynasty, naming the emir Abu'l-Fawaris Ahmad and dated AH 358, covered entirely in Kufic Arabic with no imagery.
Islamic (Medieval)
Gold Tetradrachm of Ptolemy II and Arsinoe II
Ptolemaic gold of Egypt, c. 260-240 BC, with paired busts of Ptolemy II and Arsinoe II on one side and Ptolemy I and Berenike I on the other.
Ancient
Denarius of Antoninus Pius and Marcus Aurelius
Roman silver denarius of Antoninus Pius (138–161 AD), a dynastic type showing the emperor and the two young Caesars, Marcus Aurelius and Lucius Verus.
Ancient
Romania International Year of Chemistry Commemorative
Romanian silver 10 lei commemorative dated 2011, issued for the International Year of Chemistry with molecular, laboratory and scientist imagery.
Commemorative
Library of Congress Bicentennial Silver Dollar
A 2000 U.S. silver dollar honoring the 200th anniversary of the Library of Congress, with a 'We the People' quill-and-scroll obverse and the Library facade on the reverse.
Modern Commemorative
Maria Theresa Thaler
A large silver Austrian trade coin bearing the bust of Empress Maria Theresa, famously frozen at the date 1780 and restruck for centuries.
World
Sesquicentennial of American Independence Quarter Eagle
A 1926 U.S. commemorative $2.50 gold coin marking 150 years of American independence, with Liberty holding a torch and scroll and Independence Hall on the reverse.
Classic Commemorative
Alexander the Great Gold Stater
Gold stater struck in the name of Alexander the Great, with a helmeted Athena obverse and Nike holding a wreath on the reverse; this example c. 323-315 BC.
Ancient
Antiochos the Child Tetradrachm
Silver Seleucid tetradrachm, c. 175 BC, with a young diademed head and a martial reverse figure with spear and shield.
Ancient
Alexander the Great Tetradrachm
Silver tetradrachm of Alexander III of Macedon with the head of Heracles in a lion skin and an enthroned deity holding an eagle on the reverse.
Ancient
Alexander the Great Silver Drachm
Silver drachm in the name of Alexander the Great, with the head of young Herakles in a lion skin and Zeus enthroned on the reverse.
Ancient