Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Brunei Golden Jubilee 50 Cents
A copper-nickel 50-cent coin from Brunei's 2017 Golden Jubilee, showing a palm-leaf design with Arabic text and a reverse with the value and a floral motif.
Southeast AsiaJunk Dollar
China's Republic-era silver dollar with Sun Yat-sen facing left and a Chinese junk under sail on the reverse; the pictured coin is Year 23 (1934).
CirculationSaint-Gaudens Double Eagle
United States $20 gold coin (1907–1933) designed by Augustus Saint-Gaudens, showing a striding Liberty with torch and olive branch before a radiant sun.
Gold Type CoinTrinidad and Tobago 1 Dollar
A nickel-plated steel one-dollar coin of Trinidad and Tobago, carrying the national coat of arms and heraldic emblems, dated 2015.
CirculationMacao 5 Patacas
A distinctive octagonal Macao 5 Patacas circulation coin dated 2007, showing a denomination-marked face and a sailing ship over a harbor scene.
CirculationDenarius of Septimius Severus
Silver denarius of the Roman emperor Septimius Severus (193–211 AD), showing his laureate head and a standing reverse figure.
AncientGuangxu Yuanbao 1 Mace 4.4 Candareens
A small silver dragon coin of Qing China from the Guangxu era, its face reading 1 Mace 4.4 Candareens and its back showing a coiled Chinese dragon.
CirculationBritish Half Sovereign
A small 22-carat British gold coin worth ten shillings; the pictured example shows Queen Victoria's left-facing Young Head portrait, dated 1863.
BritishAntoninianus of Claudius II
A billon antoninianus of the Roman emperor Claudius II Gothicus (268–270 AD), showing his radiate bust on one side and a standing deity on the other.
AncientSwedish Gold Commemorative
An early-20th-century Swedish gold coin showing a right-facing royal profile with the legend SVERIGES KONUNG and the fatherland motto.
CommemorativeHalf Sovereign of George III
British 22-carat gold half sovereign of George III, introduced in 1817 with a laureate bust and a crowned shield of arms; face value ten shillings.
MilledPennsylvania 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.
QuarterAmerican Gold Eagle
The United States' official gold bullion coin since 1986, struck in 22-karat gold in four sizes with a Saint-Gaudens striding Liberty obverse.
BullionHalf Sovereign
A small British 22-carat gold coin worth ten shillings; this example shows Queen Victoria's veiled, crowned Jubilee Head portrait and is dated 1887.
World CoinsAntoninianus of Tetricus I
A billon antoninianus of the Gallic emperor Tetricus I (270–273 AD), showing his radiate portrait and a standing figure of Pax on the reverse.
AncientGold 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.
AncientLeif Erikson Commemorative 1000 Króna
Icelandic silver commemorative dated 2000, marking the millennium of Leif Erikson's voyage and the Norse discovery of North America.
CommemorativeIndia 1 Rupee Commemorative
Copper-nickel Republic of India one rupee showing the Ashoka Lion Capital emblem, with the value and Devanagari legends on the reverse, from the late 20th century.
Modern IndiaSestertius of Maximinus Thrax
Large Roman bronze sestertius of Maximinus Thrax (235-238 AD), the first soldier-emperor, with a laureate bust facing right.
AncientCharles II Halfpenny
A milled copper halfpenny of Charles II showing his laureate bust and a seated Britannia, part of the first regal copper coinage of England, dated 1675.
MilledGuangxu Yuanbao 7 Mace 2 Candareens
A silver Chinese dragon dollar of the Guangxu era, marked Guangxu Yuanbao and valued at 7 Mace 2 Candareens, with a coiled dragon on one face and Chinese legends on the other.
CirculationSacagawea Dollar
U.S. golden-colored dollar coin showing Sacagawea and her infant son on the obverse and a soaring eagle on the reverse, struck 2000–2008.
DollarAntoninianus
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 CoinsAntoninianus of Numerian
Late Roman radiate coin of the short-lived emperor Numerian (283-284 AD), showing his spiked crown and a Victory or standing deity on the reverse.
Ancient