Joltin' Joe DiMaggio autographed this unused rubberized home plate, and the signature in Sharpie is slightly faded and grades 6 out of 10. It is on a NRMT and unused home plate. The Yankee Clipper is one of the most legendary Hall of Famers in history, having compiled a lifetime .325 batting average, achieving baseball immortality with his 56-game hitting streak in 1941.