Rare 1950s Dick Coffman Single Signed Baseball. Dick Coffman was a notable Major League pitcher who played from 1927-1940. He passed away in 1972 and his signature is rare in any variation. This is one of the very few if not the only Coffman ball known to exist. The blue ballpoint signature rates approximately a 9/10 in strength. The ball is in excellent condition with minor toning. The year “1955” is neatly written on the north panel in period ink. Includes a Full Letter of Authenticity from JSA (#BB11981).