1989 Upper Deck Baseball Cards – 28 Most Valuable – Wax Pack Gods
1988 Topps #300 Don Mattingly NM-MT New York Yankees - Under the Radar Sports
Looking Back at Upper Deck Baseball Multiple Exposure Cards
Don Mattingly Price List - Supercollector Catalog
1989 Upper Deck
Tubbs Baseball Blog: The Unforgettable Topps Cards From Don Mattingly's Dominant Peak
don mattingly 200 Values - MAVIN
Auction Prices Realized Baseball Cards 1989 Upper Deck Don Mattingly
don mattingly 200 Values - MAVIN
Don mattingly yankees topps 700 Values - MAVIN
25 Most Valuable 1991 Upper Deck Baseball Cards - Old Sports Cards
Don Mattingly MLB Memorabilia, Don Mattingly Collectibles, Verified Signed Don Mattingly Photos