1984-Now Beckett Baseball Tony Gwynn Fred McGriff August 1991
Calaméo - 2019 Fall Auction
40 Baseball Hall-of-Fame & Superstar Cards Collection
Tony Gwynn Memorabilia, Autographed Tony Gwynn Collectibles
1991 Leaf Baseball Card #290 Tony Gwynn : Collectibles
Don Mattingly Price List - Supercollector Catalog
Masters17 - Sports Memorabilia Auctions
RR Auction: Fine Autographs and Artifacts Featuring Sports by RR
Tony Gwynn Autographed Official NL Baseball San Diego Padres