Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Cook Islands Bounty Silver
A modern silver bullion and collector coin issued for the Cook Islands, depicting the famed sailing ship HMS Bounty tied to the island region's history.
Bullion
Cook Islands Colored Silver Coins
A broad category of colorful commemorative silver coins issued under the sovereignty of the Cook Islands, covering religious, historical, and pop-culture themes aimed at collectors worldwide.
Africa & Oceania
Long Island Tercentenary Half Dollar
A 1936 U.S. commemorative half dollar marking 300 years since the first European settlement on Long Island, New York.
Commemorative
Hawaiian Sesquicentennial Half Dollar
A rare, low-mintage 1928 commemorative half dollar marking 150 years since Captain James Cook's arrival in Hawaii, considered a key rarity of the classic commemorative series.
Commemorative
Islamic Silver Dirham (Abbasid)
The standard silver coin of the Abbasid Caliphate, continuing the text-only Kufic script tradition and widely used across a vast medieval trade network stretching from Europe to Central Asia.
Ancient
Islamic Gold Dinar (Umayyad)
The first purely epigraphic Islamic gold coin, introduced by Caliph Abd al-Malik around 696 AD, replacing figural Byzantine-style imagery with Quranic inscriptions.
Ancient
2008 Hawaii State Quarter
The final release of the 50 State Quarters Program, honoring Hawaii with an image of King Kamehameha I extending his hand over the Hawaiian islands.
United States
Rhodes Rose and Helios Tetradrachm
A silver tetradrachm from the island of Rhodes, pairing a radiant frontal head of the sun god Helios with the island's punning emblem, a rose.
Ancient
Aegina Land Tortoise Stater
A silver stater from the island of Aegina bearing a land tortoise, successor to the earlier sea-turtle design and among the earliest widely circulated coinages in the Greek world.
Ancient
Netherlands East Indies Java Rupee
A Dutch colonial silver rupee struck specifically for the island of Java, issued to standardize local currency amid the many foreign trade coins circulating in the Dutch East Indies.
Asian
Aegina Sea Turtle Stater
One of the earliest widely circulated Greek silver coins, struck by the island city-state of Aegina, featuring a sea turtle and later a land tortoise, and nicknamed simply 'turtles' by ancient traders.
Ancient
Umayyad Silver Dirham
A silver coin of the Umayyad Caliphate struck after Caliph Abd al-Malik's monetary reform, bearing only Arabic inscriptions and setting the template for centuries of Islamic coinage.
World
Ottoman 20 Kurus
Ottoman silver coin denominated in kuruş, bearing the sultan's ornate calligraphic tughra rather than a portrait, in keeping with Islamic artistic tradition.
World
Iranian Rial
Iran's official currency unit since 1932, replacing the earlier qiran/kran, struck across the Pahlavi monarchy and the Islamic Republic in changing metals and designs.
Asian
Abbasid Gold Dinar
The standard gold coin of the Abbasid Caliphate centered on Baghdad, inscribed entirely in Arabic script and struck for roughly five centuries across a vast Islamic empire.
World
Moroccan Rial (Alawi Dynasty Coinage)
Silver rial coinage struck by Morocco's Alawi sultans in the pre-colonial era, following Islamic coinage tradition with Arabic legends and no ruler portrait.
Africa & Oceania
Ayyubid Dinar of Saladin
A gold dinar struck under Salah al-Din (Saladin), founder of the Ayyubid dynasty famed for recapturing Jerusalem, continuing the Islamic tradition of purely inscriptional coinage.
World
Mamluk Gold Dinar
A gold dinar of the Mamluk Sultanate, which ruled Egypt and Syria for over two and a half centuries, continuing the Islamic epigraphic gold coinage tradition until the Ottoman conquest.
World