Short for Universal Rarity Scale. Used term to describe a coin that has light to heavy wear or circulation. V-nickel Common name for the Liberty Head five-cent coins struck from 1883 through 1912. (The 1913 was struck clandestinely and is not listed in Mint reports.) VAM number Unique number assigned to each die combination of Morgan and Peace dollar known to the authors of The Complete Catalog and Encyclopedia of United States Morgan and Peace Silver Dollars. Called VAM because of the authors Leroy Van Allen and A. George Mallis. Van Allen-Mallis The Morgan and Peace dollar variety book authors. First published in 1971, it was updated and reprinted in 1998. variety A coin of the same date and basic design as another but with slight differences. PCGS recognizes all major varieties while there are thousands of minor varieties, most of which have significance only to specialists of the particular series. After hubbed dies, introduced in the 1840s, varieties are mainly variations in date and mintmark size and placement.