Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
U.S. Gold Five Dollar (Half Eagle)
Modern U.S. $5 gold coin: Saint-Gaudens striding Liberty with torch on the obverse and a soaring eagle reverse; this piece is dated 1987.
UsFirst Spouse Gold Coin (Alice Paul)
A 2012 half-ounce 24-karat gold coin from the U.S. Mint's First Spouse series honoring suffragist Alice Paul and the woman-suffrage movement.
Commemorative1000 Reis (Discovery of India)
A late Kingdom of Portugal 1000 Reis of the Carlos I period, showing a king's right-facing profile and the crowned Portuguese royal arms on the reverse.
ModernMercury Dime Centennial Gold
A 2016-W gold collector coin marking the centennial of the 1916 Mercury dime, struck in 1/10 oz of 24-karat gold at West Point.
DimeKeicho Koban
A thin oval Japanese gold coin worth one ryo, its surface covered in fine parallel striations with stamped cartouches and Goto mint marks.
Historic1 Bu Gin
A small rectangular Japanese silver coin, the ichibu gin, worth one bu (a quarter ryo), bearing beaded borders, paulownia crests and Ginza inscriptions.
HistoricLeif Erikson Commemorative 1000 Króna
Icelandic silver commemorative dated 2000, marking the millennium of Leif Erikson's voyage and the Norse discovery of North America.
CommemorativeIsrael 100 Sheqalim Hanukka Commemorative
A 1985 Israeli silver commemorative for the festival of Hanukka, its obverse dominated by a menorah and festive lamp motif.
WorldMacao 100 Patacas Return to China Commemorative
A 1999 Macao 100 patacas commemorative marking the return to China: a Portuguese ship with a gold center on one side, the Macao coat of arms on the other.
CommemorativeRoosevelt Dime
The circulating U.S. ten-cent coin honoring Franklin D. Roosevelt, shown here as a 1965 copper-nickel clad issue with a torch, olive, and oak reverse.
DimeMinnesota State Quarter
2005 U.S. 25-cent coin in the 50 State Quarters series, showing Minnesota's outline, a common loon, anglers in a boat, and pines above 1858.
QuarterNew Zealand Florin
New Zealand's silver two-shilling coin; this 1933 first-year example shows a kiwi and the legend NEW ZEALAND ONE FLORIN.
New ZealandJulius Caesar Denarius
Silver Roman denarius of 44 BC bearing the bareheaded portrait of Julius Caesar, among the first Roman coins to show a living statesman's likeness.
AncientAureus 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 CoinsMaundy Money Threepence
A tiny sterling-silver British threepence; the 1687 James II example shows a crowned bust and a crowned Roman numeral III on the reverse.
MaundyMaundy Money Penny
Tiny silver penny given as royal alms; this James II example (1687) shows a crowned bust and a crowned Roman numeral I reverse.
MaundyGold Sovereign
The British gold sovereign: a one-pound gold coin. This 1817 George III example shows a laureate bust and a crowned heraldic shield of the royal arms.
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 CoinsAmerican Platinum Eagle
The United States' official platinum bullion coin, struck in .9995 fine platinum with a Statue of Liberty obverse; this is the 1998 one-tenth-ounce $10 issue.
BullionSchaummünze Gold Thaler
A 17th-century German gold Schaummünze in thaler form, its obverse showing a bearded profile portrait of Anton Ulrich flanked by two standing figures.
MedalSchaummünze 4 Thaler
A silver Schaummünze struck to a 4-Thaler weight, dated 1666, with elaborate heraldic and figural imagery referencing August der Jüngere.
MedalDirham of Kamal al-Dawla Gharib
Silver dirham from 10th-century Iraq/Mesopotamia naming the ruler Gharib with the honorific Kamal al-Dawla, struck with Kufic Arabic legends.
Medieval IslamicGhaznavid Dinar
Gold dinar of the Ghaznavid dynasty (c. 10th–11th century), an epigraphic Islamic coin struck at Ghazna and allied mints in Afghanistan.
Medieval Islamic1 Pahlavi Gold Coin
A gold coin of Pahlavi-era Iran, with Persian text and a crowned royal emblem on one side and the Lion and Sun within laurel wreaths on the other.
Persia / Iran