2.25" with no backpaper or maker name. Reverse has pair of tiny 1/8" cello splits along the collet but cello lays flat and causes no problem. Front of the piece may have darkened some as it is a moderate tan color with the image and text in blue. There is no actual stain spotting with the exception of a couple of dots on far left rim just a tone darker than the surrounding shade of tan. He is shown preparing to pass the football and his facsimile signature appears across his uniform above his player number "98." Harmon won the Heisman Trophy in 1940 and is considered by some to be the greatest player in Michigan Wolverines history. He went on to become a sports broadcaster and his children, including son Mark Harmon, and many of his grandchildren entered the entertainment business. Button retains full gloss. Only example we've seen.