Original 1st printing, 4&5/8 x 7" concert postcard handbill for Electric Flag, Blue Cheer, Buddy Guy, Ike & Tina Turner and Freddie King at the Fillmore Auditorium in San Francisco, CA on 4/4/1968. The card is type b with a schedule back.
 
Art by Lee Conkiln, image is #128 in the Bill Graham/Fillmore series. 
 
The postcard is in near mint condition.