Magnificent Gladiator, The (1964)

aka: Il Magnifico Gladiatore

When a corrupt Roman commander (Paulo Gozlino) overthrows the emperor (Franco Cobianci), a fearless gladiator (Mark Forest) faces his greatest challenge after he is captured. Following a daring escape, he finds himself immersed in the most difficult fight of his life as he squares off against the crooked military man. Marilu Tolo and Jolanda Modio also star.

Comes from a nice widescreen print.