Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Aureus of Augustus
Roman imperial gold coin bearing the bare head of Augustus, first emperor of Rome, struck during his reign from 27 BC to 14 AD.
Ancient Coins
Roosevelt 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.
Dime
Minnesota 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.
Quarter
New 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 Zealand
Julius 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.
Ancient
Aureus 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 Coins
Maundy 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.
Maundy
Maundy 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.
Maundy
Gold 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.
World
Antoninianus 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 Coins
American 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.
Bullion
Schaummünze 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.
Medal
Schaummünze 4 Thaler
A silver Schaummünze struck to a 4-Thaler weight, dated 1666, with elaborate heraldic and figural imagery referencing August der Jüngere.
Medal
Denarius of C. Cato
Silver Roman Republican denarius struck at Rome in 123 BC by the moneyer C. Cato, with a helmeted head of Roma and Victory driving a chariot.
Ancient
Dirham 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 Islamic
Ghaznavid Dinar
Gold dinar of the Ghaznavid dynasty (c. 10th–11th century), an epigraphic Islamic coin struck at Ghazna and allied mints in Afghanistan.
Medieval Islamic
1 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
American Liberty High Relief Gold Coin
A modern one-ounce, .9999 fine gold $100 coin from the US Mint's American Liberty series, struck in dramatic high relief with a contemporary Liberty and eagle design.
Bullion
Somalia Silver Leopard
One-ounce fine-silver bullion coin from Somalia's African Wildlife series, showing a prowling leopard on the obverse; this example is dated 2022.
Bullion
Walking Liberty Half Dollar Centennial Gold
A 2016-W gold collector coin marking the centennial of the 1916 Walking Liberty half dollar, struck in 1/2 oz of 24-karat gold at West Point.
Half Dollar
Eisenhower Centennial Dollar
A 1990 U.S. commemorative silver dollar marking 100 years since Dwight D. Eisenhower's birth, with his left-facing profile and his Gettysburg home on the reverse.
Dollar
Restoration Anniversary Peso
A silver Dominican one-peso commemorative dated 1963, marking the centennial of the Restoration, with a Liberty head obverse and the national arms.
Commemorative
Syracuse Bronze Coin of Hiero II
Ancient Greek bronze of Syracuse struck under King Hieron II, c. 275-215 BC, bearing a Hellenistic profile head; a very common Sicilian city bronze.
Ancient
Antoninianus 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.
Ancient