The product is a 1990 Topps Larry Walker #757 Collector's Edition (Tiffany) PSA 9 MINT trading card. This card is graded by Professional Sports Authenticator (PSA) and features Larry Walker as a rookie player for the Montreal Expos in Major League Baseball (MLB). The card is part of the Topps series and is a sought-after collector's item for baseball fans and trading card enthusiasts.