Glossary: Letter A: Numismatics to English
- 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
- Almost Uncirculated
- another way of saying About Uncirculated
- AU
- abbreviation for About (or Almost) Uncirculated
- 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
- alloy
- a blend of different metals
- altered coin
- a coin that has been changed in any way to make it appear more valuable
- 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
- appraisal
- an estimate of a coin’s worth
- artificial toning
- fake colors on a coin that usually hide flaws
- attribute
- a special characteristic of a coin or the act of identifying a coin
- attribution
- the variety of a coin according to specialized reference works
- 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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