Official promoter-issued 2nd printing 20 x 14" concert poster for Big Brother and the Holding Company (with Janis Joplin) appearing with Quicksilver Messenger Service and Oxford Circle at the Avalon Ballroom in San Francisco, CA from 2/17-18/1967.
Art by Stanley Mouse with Alton Kelley (both of whom have HAND-SIGNED the poster in pencil) with a photo by Bob Seidemann, image is # 48 in the Family Dog/Avalon series.
Medium-thin flat index stock poster is in VERY crisp mint/near mint to near mint (A/A- to A-) condition; with the exception of a couple of negligible corner-tip bumps, it is an EXTREMELY sharp DOUBLE-ARTIST SIGNED example of this classic early-'67 Avalon image.