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Coining may refer to: Coining (metalworking), a metalworking process; Coining (mint), the production of coins; Coining (traditional medicine), dermabrasion practiced ...
Coining is a form of precision stamping in which a workpiece is subjected to a sufficiently high stress to induce plastic flow on the surface of the material. A beneficial feature is that in some metals, the plastic flow reduces surface grain size, and work hardens the surface, while the material deeper in the part retains its toughness and ...
A coin die itself, has been the main motive for many collectors coins and medals. One of the most recent and famous one, is the Austrian 700 Years City of Hall in Tyrol coin, minted on January 29, 2003. The reverse side of the coin shows the Guldiner silver coin. However, the design is negative, representing a coin die, as a reference to Hall's ...
The Quarter-Dollar, Half-Dollar and Dollar coins were issued in the copper 91.67% nickel 8.33% composition for general circulation and the Government issued six-coin Proof Set. A special three-coin set of 40% silver coins were also issued by the U.S. Mint in both Uncirculated and Proof.
Original United States Air Force Airman's coin. The front of a U.S. Marine Corps birthday ball medallion Huguenot méreau used as a challenge coin during 17th century Protestant persecution in France. A challenge coin is a small coin or medallion, bearing an organization's insignia or emblem and carried by the organization's members ...
Individuals practice this "coining", also known as cao gio (literally "scratching the wind"), amongst their own family members in many Asian countries, such as Vietnam or in Cambodia known as kaos khyal/kors kha-yal (កោសខ្យល់) literally meaning scratch the wind, and also in their respective emigrant communities abroad. Health ...
The manufacture of coins in the Roman Republic, dating from about the 4th century BCE, significantly influenced the later development of coin minting in Europe. The origin of the word "mint" is ascribed to the manufacture of silver coin at the temple of Juno Moneta in 269 BCE Rome. This goddess became the personification of money, and her name ...
COIN or COINS may refer to: Coin (band) (often stylized COIN), an American indie pop band; COIN (board game), a series of asymmetric board games; Coinbase (Nasdaq: COIN), a company which operates a cryptocurrency exchange; Collaborative innovation network, innovative teams; Community of interest network