Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
Roman Quinarius
A small Roman silver quinarius, half the value of a denarius, here with a helmeted head of Roma and a prancing horse on the reverse.
Ancient
Antoninianus of Gordian III
Silver double-denarius of the young emperor Gordian III (238-244 AD), marked by his radiate crown and a standing deity on the reverse.
Ancient
Antoninianus of Salonina
Billon antoninianus of the empress Salonina, wife of Gallienus, showing her draped bust and a standing deity on the reverse (256-257 AD).
Ancient
Antoninianus of Caracalla
The antoninianus introduced by Caracalla around AD 215, a radiate-crowned double denarius in debased silver that reshaped Roman coinage.
Ancient
Antoninianus of Valerian II
Roman radiate coin of Valerian II, the young Caesar (c. 253-260 AD), showing his spiked crown and a standing figure on the reverse.
Ancient
Medieval Penny
England's standard medieval coin: a small hammered silver penny with a crowned royal head on one side and a cross on the other, struck by hand across many reigns.
Medieval Coins
Denier of Charlemagne
A hand-struck silver denier of Charlemagne, king of the Franks: a central cross ringed by the CARLVS REX FR legend, with a royal monogram design on the reverse.
Medieval
Antoninianus of Otacilia Severa
Roman double-denarius of the empress Otacilia Severa, wife of Philip I (246-248 AD), with her draped bust and a standing personification on the reverse.
Ancient
Antoninianus 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.
Ancient
Antoninianus of Trebonianus Gallus
A radiate-crowned billon antoninianus of the emperor Trebonianus Gallus, struck AD 251-253 with a standing deity or personification on the reverse.
Ancient
20 Kroner
Danish aluminum-bronze 20 Kroner of 1990 honoring Queen Margrethe II, with a crown over a marguerite daisy and the dates 1940 and 1990.
Modern
½ Skilling
A small copper Danish half skilling of 1771, showing a royal crown over the king's cipher and the value ½ SKILLING DANMARK K:M on the reverse.
Early Modern
4 Skilling
A Danish copper 4 skilling of 1783, with a crown above a numeral on one face and an ornamental circular pattern framing the date on the other.
Early Modern
10 Kroner
A small Danish gold 10 kroner dated 1873, the first year of the type, with the bearded profile of King Christian IX and a seated allegorical figure of Denmark on the reverse.
Modern
12 Skilling
An early-modern Danish 12 skilling dated 1721, showing a crowned shield with a lion on one face and ornamental legend and value on the other.
Early Modern
Kennedy Half Dollar
U.S. fifty-cent piece introduced in 1964 to honor President John F. Kennedy; the first-year 1964 coins were struck in 90% silver.
United States
Hawaii State Quarter
The 2008 Hawaii State Quarter, final coin in the 50 State Quarters series, showing King Kamehameha I reaching over the islands.
Quarter
2 Kroner
A Danish silver 2 Kroner dated 1875, the first year of the krone, showing the crowned Danish coat of arms and the denomination 2 KRONER.
Modern
Draped Bust Half Dollar
Early U.S. silver fifty-cent piece of 1796–1807. The pictured 1796 Small Eagle with 15 stars is among the rarest of all American coins.
Half Dollar
1 Skilling
A copper 1 skilling of Denmark dated 1771, with a royal crown over ornament on one side and an inscribed value design on the other.
Early Modern
Israel Half Lira (25th Anniversary)
A silver Israeli half lira dated 1973, the year the young state marked 25 years of independence, carrying a menorah-and-sprigs emblem and a Hebrew value.
World
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
Gold Dinar of al-Mustanjid
A hand-struck Abbasid gold dinar of Caliph al-Mustanjid, bearing only Arabic calligraphy within concentric ring borders and dated AH 557.
Islamic (Medieval)