Muhammad Ali: Training trunks used by former Olympic and world heavyweight champion Cassius clay while working out at the Columbia Street Gym in Loisville, Kentucky under the authority of trainer Joe Martin.;purple 'Everlast' trunks with gold waistband and trim, with the name 'Clay' written on bottom of Everlast label. Trunks have a label attached reading 'Cassius Clay Used Training Trunks 1958'. Shows wear and have a tear at manufacturer's label. Some light colour fading from ageing. From the collection of early clay trainer Joe Martin.;Letters of authenticity from his grand-daughter Jole Martin & Craig Hamilton, President of Jo sports of New York .