Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Holey Dollar
Australia's first struck coin: a Spanish silver dollar with its centre punched out, counterstamped NEW SOUTH WALES 1813 and revalued at five shillings.
AustralianCounterstamped 8 Reales
A Charles IV silver 8 reales later punched with counterstamps and pierced with a central hole, layering a second life onto the classic Spanish dollar.
ColonialFlowing Hair Stella
An 1879 U.S. $4 gold pattern coin with a flowing-hair Liberty obverse and a large-star "ONE STELLA" reverse; famous rarity, never circulated.
StellaCharles I Forty Pence
A hammered silver forty-pence piece of Charles I, showing his crowned armored bust and a crowned heraldic shield with the motto PRO REGE ET LEGE.
Hammered2.5 Escudos
A copper-nickel 2.5 Escudos of the Portuguese Republic, showing a sailing caravel on the obverse and the national shield with the value 2$50.
ModernGroat of William IV
A small silver fourpenny piece of William IV (1836–1837), with a seated Britannia reverse; the coin that revived the modern British groat.
MilledBritish West Africa 2 Shillings
A colonial copper-nickel two-shilling piece of British West Africa, showing King George VI and a palm-tree reverse.
WorldHungarian 9 Ducats
A large gold multiple-ducat piece of Hungary dated 1896, showing a bearded crowned figure with sword and shield and the crowned Hungarian arms.
Bullion/goldAureus of Marcus Aurelius
Small Roman gold coin of the reign of Marcus Aurelius; this piece shows a diademed portrait and a standing deity or personification, dated to 163 AD.
Ancient CoinsAlmoravid Gold Dinar
Pure-gold dinar of the Almoravid dynasty, struck in Islamic Spain and North Africa with concentric Arabic legends; this piece is dated 1116 CE.
Medieval IslamicNew Zealand Waitangi Crown
New Zealand's first and rarest crown, a 1935 silver five-shilling piece with a crowned George V obverse and the Treaty of Waitangi handshake reverse.
New ZealandCrown 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.
MilledEdward VIII New Zealand Crown
A 1936-dated crown-sized piece pairing an Edward VIII profile with a New Zealand kiwi; a fantasy/novelty issue, not an officially circulated coin.
World Coins10 Cash (Republic)
A Republic of China bronze 10 Cash: a round machine-struck copper piece with a central ornament and characters on one face and a decorative inscribed reverse.
Cash CoinRoman Quadrans
A small Roman bronze quadrans, worth a quarter of an as, here a heavily corroded piece with a laureate head facing right.
Ancient2 Rigsdaler (Gold)
A gold striking of Denmark's 1863 2 rigsdaler, with the right-facing bust of Christian IX and the crowned royal arms — a rare early piece of his reign.
EuropeanHenri V Five Francs
An 1831 French five-franc piece struck for the Legitimist pretender Henri V, showing his young profile and the royal fleur-de-lis shield.
WorldLiberty Head Half Eagle
United States $5 gold coin with a left-facing Liberty head ringed by stars and a spread-winged eagle reverse; the pictured piece is dated 1838.
United StatesClark & Co Territorial Gold Half Eagle
An 1860 privately struck $5 gold piece from Clark, Gruber & Co. of Denver, coined from Pikes Peak gold during the Colorado gold rush.
Half EagleGuangxu Yuanbao Dollar
A crown-sized silver dragon dollar of Qing China inscribed 光緒元寶 (Guangxu Yuanbao), with a coiled dragon reverse and a provincial mint inscription; this piece dated 1905.
CirculationDenarius of Trajan
Silver denarius of the emperor Trajan (98–117 AD), showing his laureate bust and, on this piece, Libertas standing with patera and rod.
Ancient2 Kronor
Silver 2 kronor of Sweden showing King Gustaf V in left profile and the crowned national arms, this piece dated 1922.
WorldAntoninianus of Gallienus
Billon double-denarius of the emperor Gallienus, marked by a radiate crown; this piece shows a radiate male head and a standing deity on the reverse.
Ancient Coins20 Lire
Silver-colored Italian 20 Lire piece of the Fascist era, showing a Mussolini profile and a horse-drawn chariot, dated 1936.
Modern