Society of Silver Dollar Collectors (SSDC). Collector society for VAM enthusiast. Containing the SSDC versions of Leroy Van Allen's most recent VAM updates

VAMLINK__ the official site of the SSDC: Society of Silver Dollar Collectors. Run by Jeff Oxman, co-author of The Top 100 Morgan Dollar Varieties

Research Supplements and VAM attribution guides by Leroy Van Allen

VAM-E - The email newsletter of the SSDC published periodically with VAM news and information. Available by joining the SSDC or via request from John Baumgart: An archive of the past editions is available on

VAMview - Quarterly publication detailing vam news, sales history, attribution guides and other important educational topics. Free to members of the SSDC. Email for subscription information for non-SSDC members.

Top 100 Insights & The Top 100 Value Guide - A quarterly newsletter devoted to information on VAMs, especially ones in the Top 100. Provides value information on the Top 100 VAMs. Published by Michael S. Fey, Ph.D.

Teletrade__: Certified coin auctions, often containing VAMs

eBay__: Auctions, often containing VAMs

RCI: Coin Company of Dr. Michael S. Fey, co-author of the Top 100 Morgan Dollar Varieties

ANACS: Will certify all VAMs
NGC: Recognizes a limited set of VAMs: Top 100, Hot 50, 8Tf, 7/8 TF, and a few others.
SEGS: Will certify all VAMs
PCGS: PCGS recognizes a subset of VAMS. For details check
Varslab: VAM attribution and photoslab service without grading.
SSDC: Official SSDC website.