by SP Authentic

(Visit the Movers & Shakers in Sports Collectibles list for authoritative information on this product's current rank.)
source https://www.lifetechnology.com/blogs/life-technology-holistic-health-products-blog/6-2007-sp-authentic-293-marshawn-lynch-buffalo-bills-rc-rookie-card-autographed-piece-of-jersey-serial-d-to-399football-cards