Original 2nd printing, 14 x 21" concert poster for The Paul Butterfield Blues Band, The James Cotton Blues Band, and Albert King at the Fillmore Auditorium in San Francisco, CA on 2/13-17/1968. 
 
Art by, and signed by, Lee Conklin, image is #107 in the Bill Graham/Fillmore series. 
 
The poster is in excellent/nm condition.  Just a tiny bit of edgewear.