BG 25-3 Third Printing, 14x20" concert poster for The 13th Flloor Elevators, Great Society and Sopwith Camel at the Fillmore Auditoorium in San Francisco, CA on 8/26-27/1966. 
 
Art by Wes Wilson, image is #25 in the Bill Graham Fillmore series. 
 
Good vintage condition.  There is some light edgewear. There are also a small paper pulls on the top and on one side, and a small tear at the top.  The back has a tape pull that you can see if you hold the poster up to the light, and a lot of tape residue, some of which is still sticky.