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A sobriety coin is a token given to Alcoholics Anonymous or other twelve-step program members representing the amount of time the member has remained sober. It is traditionally a medallion the size of a poker chip , 34 mm (1.34 in) (standard) or 39 mm (1.5 in) in diameter.
In the 3rd- to 4th-century area of the cemetery, coins were placed near the skulls or hands, sometimes protected by a pouch or vessel, or were found in the grave-fill as if tossed in. Bronze coins usually numbered one or two per grave, as would be expected from the custom of Charon's obol, but one burial contained 23 bronze coins, and another ...
The challenge coin tradition was introduced into the Swiss Armed Forces by American officers on training missions and other assignments for the Organization for Security and Co-operation in Europe, of which Switzerland is a member. Coins are not issued, but rather ordered and paid for by Swiss officers of various branches within the Army.
In Classical Athens, obols were traded as silver coins. Six obols made up the drachma. There were also coins worth two obols ("diobol") and three obols ("triobol"). By the 5th century BC, variations on obols expanded to include coins worth one and one-half ("trihemiobol") obols and half obols ("hemiobol").
The Libertad coins are silver and gold bullion coins originating from Mexico and minted by the Casa de Moneda de México (Mexican Mint). The Mexican Mint was established in 1535 and is the oldest mint in the Americas. The modern coins contain 99.9% silver or gold (.999 fineness) and are available in various sizes. Both metal coins have ...
Absolver is a martial arts-themed action role-playing video game developed by Sloclap and published by Devolver Digital for PlayStation 4, Windows, and Xbox One.In the game, players control warrior characters who fight other players and computer-controlled characters across the fictional land of Adal to prove their worthiness of joining the Absolver peacekeepers.
A plain metal washer, if of the correct size and weight, may be accepted as a coin by a vending machine. A slug is a counterfeit coin that is illegally used to make purchases. The object substituted may be an inexpensive object such as a washer or a coin from another country with far lower purchasing power than the coin it is being passed off as.
In statistics, the question of checking whether a coin is fair is one whose importance lies, firstly, in providing a simple problem on which to illustrate basic ideas of statistical inference and, secondly, in providing a simple problem that can be used to compare various competing methods of statistical inference, including decision theory.