Wes Wilson BG-2 “Batman,” 1966 Fillmore Auditorium 3/18 - 20/1966 performing: Mystery Trend (3/18); Big Brother and the Holding Company, Family Tree, Quicksilver Messenger Service (3/19); Family Tree, Gentleman's Band, Quicksilver Messenger Service (3/20), Great Society, Skins offset lithography on gold stock 20 x 14 inches