Rim — may refer to: * Rim (coin), the sharp circular (or otherwise shaped) edge which surrounds the coin design * Rim (craters), the part of a crater that extends above the height of the local surface * Rim (firearms), a projection machined into the… … Wikipedia
Coin clipping — is the act of shaving off a small portion of a precious metal coin for profit. Over time the precious metal clippings would be saved up and melted into bullion. Up until the mid 20th century, coins were often made of silver or gold, which were… … Wikipedia
Coin collecting — This article is about a hobby. For the scientific study of currency, see Numismatics. Numismatics Terminology … Wikipedia
Nickel (United States coin) — This article is about the U.S. coin; for its Canadian counterpart made intermittently of 99.9% nickel between 1922 1981, and also called the nickel, see Nickel (Canadian coin). This article is specifically about the U.S. five cent coin; for its… … Wikipedia
Methods of coin debasement — This article is about grassroots methods of coin debasement. For coin debasement generally, see debasement. Coin debasement is the act of decreasing the amount of precious metal in a coin, while continuing to circulate it at face value. This was… … Wikipedia
Penny (United States coin) — Cent (Penny) United States Value 0.01 of a U.S. dollar Mass 2.5 g (0.080 troy oz) Diameter 19.05 mm (0.750 in) Thickness … Wikipedia
Nickel (Canadian coin) — Nickel Canada Value 0.05 CAD Mass 3.95 g Diameter 21.2 mm Thickness 1.76 mm … Wikipedia
Common coin errors — An error coin is a coin that is minted abnormally. Many different types of errors can occur during the minting process. The following are some of the most common error types. Numismatic value of error coinsMost error coins demand a premium when… … Wikipedia
Presidential $1 Coin Program — Presidential One Dollar Coin United States Value 1 U.S. dollar Mass 8.100 g (0.26 troy oz) Diameter 26.5 mm (1.043 in) Thickness … Wikipedia
Gold coin — [ thumb|right|A Krugerrand gold coin from South Africa] A gold coin is a flat, disc shaped piece of gold that has been minted and issued by a government or private organization. The first gold coins in history were coined by Egyptian Pharaohs… … Wikipedia
