Earl Campbell autographed Houston Oilers 8x10 photo inscribed HT 77

8x10 photo autographed in blue marker by Houston Oilers Hall of Fame running back Earl Campbell and inscribed HT 77 (Heisman Trophy 1977). Obtained at paid signing with Mill Creek Sports, with their numbered hologram and certificate of authenticity from AutographsForSale.com. ONLY ONE AVAILABLE FOR SALE.