Green 1996 Atlanta Centennial Olympic Games embroidered cap autographed on the bill in blue marker by Jackie Joyner-Kersee, who won a long jump bronze medal in her last Olympics, and Allen Johnson, who won the gold medal in the 110 meter hurdles (and added 110mh to his signature). Obtained in person at 1997 Dallas banquet, with ticket from the banquet and certificate of authenticity from AutographsForSale.com. ONLY ONE AVAILABLE FOR SALE.