The 1989 Upper Deck Ken Griffey Jr #1 Rookie Card is a highly sought-after collectible in the sports trading card market. This vintage card features a standard size, 20 pt. card stock thickness, and is part of the original base set released by Upper Deck. Autographed by Ken Griffey Jr, this card commemorates his rookie year with the Seattle Mariners in Major League Baseball. As a hard-signed autograph authenticated by Upper Deck, this card holds value for both its historical significance and the prominent athlete it represents. A must-have for baseball card collectors, this card captures a moment in baseball history.