Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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.
AncientBronze 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.
AncientBavaria 6 Kreuzer
A small silver 6 Kreuzer of the Electorate of Bavaria, showing the profile of Charles VII and a crowned double-headed imperial eagle marking the value.
German StatesSolidus 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 CoinsHong Kong 10 Cents
A small silver 10-cent coin of British Hong Kong showing the crowned profile of King Edward VII, with 'HONG-KONG TEN CENTS' and Chinese characters on the reverse.
CirculationBronze Coin of Corinth (Augustan)
A Roman colonial bronze struck at Corinth during the reign of Augustus, showing a laureate imperial portrait; the example here has a badly corroded reverse.
Ancient5 Kopecks (Catherine II)
Large copper 5 Kopecks of Catherine the Great, dated 1790 with the EM mint mark, showing a crowned monogram and the imperial double-headed eagle.
Early ModernAustrian 4-fold Ducat
A large Austrian gold 4 Ducat dated 1915, showing Emperor Franz Joseph I in uniform and the crowned double-headed imperial eagle.
Bullion/goldGerman East Africa 1/4 Rupie
A small colonial silver coin of German East Africa, inscribed DEUTSCH OSTAFRIKA and 1/4 RUPIE within a wreath, paired with the imperial eagle.
WorldHalf 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.
AncientNummus of Constantine I
Small late Roman bronze nummus (follis) of Constantine I the Great (306-337 CE), identified by his right-facing imperial portrait on the obverse.
Ancient12 Roubles (Nicholas I)
A rare Imperial Russian platinum 12 Roubles of Nicholas I, showing the crowned double-headed eagle and a Cyrillic '12 РУБЛЕЙ' value in Ural platinum.
ModernAureus of Faustina II
Roman imperial gold coin with the draped bust of Faustina II, daughter of Antoninus Pius and wife of Marcus Aurelius, struck around 147-150 AD.
Ancient CoinsAntoninianus
Roman imperial coin of the crisis era, marked by a radiate (spiked) crown on the emperor's head; struck in debased silver-and-copper billon, c. 250-270 AD.
Ancient Coins1 Yen (Silver)
An early Meiji silver 1 Yen struck in Meiji 3 (1870), showing a coiled dragon with a radiant sun on one side and a wreathed imperial crest on the other.
CirculationGerman 20 Mark Gold
German Empire gold 20 mark of Prussia, with Kaiser Wilhelm I's bust and the imperial eagle; a small .900 gold coin from the pre-WWI Goldmark era.
Bullion/goldGold Mohur of Shah Jahan
High-purity gold mohur struck under Mughal emperor Shah Jahan (1628-1658), bearing Persian imperial titles; this example carries the Balkh mint mark.
Mughal India10 Yen (Gold)
A Japanese gold 10 Yen of the Meiji era, its obverse a radiant chrysanthemum sunburst, its reverse a wreath framing imperial crests; dated Meiji 30 (1897).
CirculationAustria-Hungary 10 Kreuzer
A small low-grade silver 10 Kreuzer of Emperor Franz Joseph I, pairing his laureate portrait with a crowned double-headed imperial eagle and a 10 value shield.
Circulation