Cassius Clay won the Olympic Gold Medal in boxing at the 1960 Rome Summer Olympics. He defeated Sonny Liston on February 25, 1964 to win the World Heavyweight Title. He would become the first man to win that title three times. Changed his name to Muhammad Ali after defeating Liston. Presented here is a Cassius Clay First Day Cover from the 1960 Olympics in Rome. Dated September 5, 1960. This Cassius Clay First Day Cover from the 1960 Rome Olympics is 3 3/4" x 6 1/2." The corners are slightly soft. Clean with no rips or tears.