Everson Walls signed Dallas Cowboys postcard inscribed JSA

Everson Walls late 1980s Dallas Cowboys 4x6 black and white KRLD radio station postcard autographed in black ballpoint pen and personalized to Theo. Authenticated by JSA with their unnumbered Stamp of Approval sticker on the back, with certificate of authenticity from AutographsForSale.com. ONLY ONE AVAILABLE FOR SALE.