A dog or a black dog was a coin in the Caribbean of Queen Anne of Great Britain, made of pewter or copper, typically worth 1½ pence or 1⁄72 of a dollar...

A challenge coin is a small coin or medallion, bearing an organization's insignia or emblem and carried by the organization's members. Traditionally, they...

cryptocurrency was Peercoin, introduced in 2012. Other cryptocurrencies, such as Blackcoin, Nxt, Cardano, and Algorand followed. However, as of 2017[update], PoS...

Coin flipping, coin tossing, or heads or tails is the practice of throwing a coin in the air and checking which side is showing when it lands, in order...

British five pound (£5) coin is a commemorative denomination of sterling coinage. As of October 2022, the obverse of new coins feature the profile of King...

British two pound coin (£2) is a denomination of sterling coinage. Its obverse has featured the profile of Queen Elizabeth II since the coin’s introduction...

coin (€1) is a euro coin with a value of one euro. It is made of two alloys: the inner part of cupronickel, the outer part of nickel brass. All coins...

The usage of cash coins in the Chinese pseudoscientific practice of feng shui is commonplace influencing many superstitions involving them. Believers...

Greek euro coins feature a unique design for each of the eight coins. They were all designed by Georgios Stamatopoulos with the minor coins depicting Greek...

There are eight euro coin denominations, ranging from one cent to two euros (the euro is divided into a hundred cents). The coins first came into use in...