American blues harmonica player, singer and songwriter (1912–1965) who recorded successfully in the 1950s and 1960s. He toured Europe with the American Folk Blues Festival and recorded with English rock musicians, including the Yardbirds, the Animals, and Jimmy Page. Vintage ballpoint signature, "Sonny Boy Williamson,” on an off-white 3.5 x 1.5 sheet. Matted and framed to an overall size of 21 x 13. In fine condition.Format: Signature