What is a VAM?
Collectors of silver dollars refer to the Comprehensive Catalog and Encyclopedia of Morgan & Peace Dollars by Leroy Van Allen and A. George Mallis as a standard reference. Van Allen-Mallis numbers, abbreviated VAM are assigned for all recognized die pairs. New die pairings continue to be found and listings are continually updated by Mr. Van Allen. At this time, over 3000 distinct die pairs are known. ANACS offers attribution and verification services for all listed VAM numbers, including new discoveries. No other grading service comes even remotely close to the scope and breadth of VAMs that ANACS attributes.
Collectors of silver dollars refer to the Comprehensive Catalog and Encyclopedia of Morgan & Peace Dollars by Leroy Van Allen and A. George Mallis as a standard reference. Van Allen-Mallis numbers, abbreviated VAM are assigned for all recognized die pairs. New die pairings continue to be found and listings are continually updated by Mr. Van Allen. At this time, more than 3300 distinct die pairs are known. ANACS offers attribution and verification services for all listed VAM numbers, including new discoveries. No other grading service comes even remotely close to the scope and breadth of VAMs that ANACS attributes.