Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Sassanian Silver Drachm
The standard silver coin of the Sasanian Persian Empire, featuring an elaborately crowned king's portrait and a Zoroastrian fire altar with attendants, struck for over four centuries.
Ancient
Trade Dollar
A heavier U.S. silver dollar struck specifically for trade with China and East Asia, later demonetized domestically and known for its distinctive weight-and-fineness inscription.
United States
Japanese Trade Dollar
A short-lived Meiji-era silver coin struck to the same weight and fineness as the Mexican and U.S. Trade Dollars so Japan could compete in East Asian commerce.
Asian
Prussian Vereinsthaler
A standardized silver thaler struck by the Kingdom of Prussia under the 1857 Vienna Monetary Treaty, unifying weight and fineness across many German and Austrian states before German unification.
European
Mithradates VI Pontos Tetradrachm
A Hellenistic silver tetradrachm portraying Mithradates VI Eupator of Pontos, Rome's fiercest eastern rival, with his distinctive wind-swept diademed portrait and a grazing stag reverse.
Ancient
Sassanian Drachm of Khusro II
A silver coin of the long-reigning Sasanian king Khusro II, among the most commonly found ancient Persian coins, showing his ornate crowned bust and a Zoroastrian fire altar.
Ancient
1943 Steel Cent
A one-year-only zinc-coated steel cent struck to conserve copper for World War II ammunition and equipment production, easily recognized by its silvery color.
United States