Blues pianist (1930-1970) who was a longtime member of Muddy Waters’s band. Spann was memorably featured on Fleetwood Mac’s 1969 album Biggest Thing Since Colossus. Uncommon ballpoint signature, “To a friend from Otis Spann,” on a pink 3.75 x 4.5 album page. Slightly irregular top edge from removal, otherwise fine, clean condition. RRAuction COA.