22x33.5" poster for April 25, 1971 concert that took place at Painter's Mill Theatre in Owings Mills, MD. that featured John Mayall, an English blues singer, guitarist, organist and songwriter and guitarist Elliot Randall. In the 1960s, Mayhall was the founder of John Mayall & The Bluesbreakers, a band which has included some of the most famous blues and blues rock musicians; including Eric Clapton, Jack Bruce, Mick Fleetwood, Mick Taylor, and many more. Poster art features large image of bottle w/photo image of Mayall on the label w/Tree Frog logos at top. Poster has been rolled and shows obvious wear w/handling creases to margins, 1" tear at bottom center and area of moderate dust soiling at bottom right corner. VG.