Topps 1971 #7 O.J. Simpson Football Trading Card Graded 0 Authentic by Degree Size: Features: Graded by Degree Grading, encapsulated in a protective slab. Features legendary O.J. Simpson '9 Yard Gain' play from the 1971 Topps set. Authenticated with serial number #00363380. Condition: Good condition. Card shows visible surface wear, aging, and creases/dents as noted by professional grading. Measurements: Please see all the pictures for the overall condition and product details Keyword: vintage sports, NFL memorabilia, Buffalo Bills, collector item, 70s era, authenticated slab, football history, collectible card, OJS, graded sports card