Sold at Auction: 1989 UD GRIFFEY & 1990 SCORE FRANK THOMAS ROOKIE CARDS (DB)
Auction Details Backes Auctioneers
1991 Topps #790 Ken Griffey Jr. Value - Baseball
Frank Thomas Price List - Supercollector Catalog
MORE
Why Sports Card Values from the Late-80s and Early-90s Are Low
Auction Details Backes Auctioneers
My favorite mistakes
Frank Thomas Baseball SCORE Rookie Sports Trading Card Singles for sale
Buyer Beware - Spreadsheet list of Altered, Fake, or Mislabeled Cards - Blowout Cards Forums
1990 Score Baseball Memories and Baseball Card Breakdown
PSA Magazine: 2023 April #016 by PSA Magazine - Issuu
C.A.: 2022 Topps MLB Rookie of the Year 75th Anniversary Frank Howard
1990 Topps Griffey