Autographed Muhammad Ali red boxing glove. Muhammad Ali (born Cassius Marcellus Clay Jr., January 17, 1942 in Louisville, Kentucky, U.S.) is a retired American boxer and three-time World Heavyweight Champion, who is widely considered to be one of the best heavyweight boxing champions ever. As an amateur, he won a gold medal in the light heavyweight division at the 1960 Summer Olympics in Rome. As a professional, he became the first person to win the lineal heavyweight championship three times. Each items comes with a Muhammad Ali enterprises new digital hologram and PSA letter-COA Muhammad Ali Enterprises matching serialized #'s COA will say Muhammad Ali Autograph. Professional Sports Authenticator (PSA), the world's largest authentication and certification service for sports collectibles, has teamed up with DNA Technologies, Inc. to strike a blow against the piracy and counterfeiting of autographs and other collectibles. PSA/DNA tags each item using state-of-the-art technology to protect your collectibles. Besides the tamper-evident label, serial number, and certificate, PSA/DNA's multi-level security system uses a DNA matrix. PSA/DNA eliminates the problem of counterfeits and forgeries by labeling items in such a way that they can be sold time after time without fear of fraud. Each new buyer can be confident that he or she is spending money on an authentic item.