|COIN COLLECTING DEFINITIONS STARTING WITH "A"|
About Good: a grading term for a coin that is so badly worn that you can barely recognize the type and date.
About Uncirculated: a grading term used to describe a coin that is nearly new.
abrasion: light friction, a shallow scrape, or a mark on the surface of a coin.
abrasive: a harsh cleaning agent that destroys the surface of a coin.
accumulation: a disorganized pile of coins just waiting for a numismatist’s touch to turn it into a coin collection.
adjustment mark: scratches made when a file is used to lower the weight of a planchet before striking.
album: a holder designed to store and display coins.
Almost Uncirculated: another way of saying About Uncirculated.
altered coin: a
coin that has been changed in any way to make it appear more
Aluminum Cents: aluminum cent was a one-cent coin proposed by the United States Mint in 1973.
American Numismatic Association: the leading organization for collectors of U.S. coins.
A.N.A.: abbreviation for the American Numismatic Association.
ANACS: a third-party grading service in Sidney, Ohio.
ancient: an old coin struck before Medieval times.
annealing: The heating of a die or planchet to soften the metal before preparation of the die or striking of the coin.
anvil die: The lower die, usually the reverse – although on some issues with striking problems, the obverse was employed as the lower die. Because of the physics of minting, the fixed lower-die impression is slightly better struck than the upper-die impression.
appraisal: an estimate of a coin’s worth.
artificial toning: fake colors on a coin that usually hide flaws.
special characteristic of a coin or the act of identifying a coin.
attribution: the variety of a coin according to specialized reference works.
AU: abbreviation for About (or Almost) Uncirculated.
auction: a method of offering and selling coins to the highest bidder.
authentication: determining whether a coin is real or not.
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