Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Half Crown of William IV
A milled British silver half crown of King William IV, with the king's bare head facing right and a crowned royal shield of arms on the reverse.
Milled
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
Crown of George IV
A milled silver crown of George IV, with a laureate head facing left and Pistrucci's St George and the dragon on the reverse; the photographed piece is dated 1822.
Milled
Crown of George III (Incorrupta)
A milled crown of George III dated 1817, named for its INCORRUPTA reverse legend, showing a laureate draped bust and crowned royal arms.
Milled
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
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
Half Guinea of Anne
An English milled gold half guinea of Queen Anne, showing her left-facing bust and a crowned cruciform reverse of shields with fleurs-de-lis.
Milled
Shilling of George II
A milled silver shilling of George II, with a left-facing bust reading GEORGIVS II DEI GRATIA and a crowned cruciform-shields reverse; this one is a 1736 roses and plumes issue.
Milled
Gold Dinar of al-Hafiz li-Din Allah
A hand-struck Fatimid gold dinar of the caliph al-Hafiz li-Din Allah, carrying only Arabic calligraphy in concentric ring borders and dated AH 544.
Islamic (Medieval)
Pennsylvania 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.
Quarter
Sovereign of George IV
A milled gold sovereign of Great Britain struck under George IV, with the king's laureate head and Pistrucci's St George slaying the dragon reverse, dated 1821.
Milled
Bronze Coin of Cleopatra VII
Ptolemaic bronze coin of Cleopatra VII of Egypt, 51-30 BC, showing her draped diademed bust in profile as sole named female ruler of the dynasty.
Ancient
Sestertius of Nero (Port of Ostia)
A large brass sestertius of the emperor Nero (54–68 AD) showing his portrait on one side and a bird's-eye view of the harbour at Ostia on the other.
Ancient
Bronze As of Nero
A Roman bronze as struck under the emperor Nero (54–68 AD), bearing his laureate portrait on the obverse and an imperial reverse type.
Ancient
Two Guineas of George II
A large milled gold two-guinea piece of George II, with his left-facing laureate head and a crowned garnished shield of the royal arms; the pictured coin is dated 1738.
Milled
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
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
Denarius of Nero
Silver denarius of the emperor Nero (AD 54-68), the last Julio-Claudian ruler, shown with a laureate portrait and a military-standards reverse.
Ancient