Original Thursday x 2 concert ticket lot for The Who, Cannonball Adderly, and the Vagrants  at the Fillmore Auditorium in San Francisco, CA on 2/22-24/1968. 
 
Art by Lee Conklin, image is #108 in the Bill Graham/Fillmore series. 
 
The tickets are in excellent/nm condition.  One has very light smudging towards the bottom.  One is white on the back, the other is blue on the back.