1960s style Muhammad Ali signed replica trunks. This is a pair of G&S Sporting Goods brand boxing trunks signed “Cassius Clay” by Muhammad Ali. G&S Sporting Goods was a retail store located on the Lower East Side of Manhattan that specialized in boxing equipment and apparel. Ali (then named Cassius Clay) wore a pair of G&S trunks into the ring for his March 13, 1963, fight versus Doug Jones at Madison Square Garden in New York City. The store originally opened in 1937 and closed in 2014 after 77 years of operation. The trunks are accompanied by a certificate of authenticity from Steve Jackson / Alico LLC and a color image of Ali at the time the trunks were signed.