Original  4 & 5/8 x 7 &1/8" concert postcard for Chrome Syrcus, H.P.Lovecraft and Tiny Tim. at the Fillmore Auditorium in San Francisco, CA on 5/9-11/1968. 
 
Art by Wilfred Weisser, image is # 119 in the Bill Graham/Fillmore series. 
 
Postcard is in Near Mint/Mint (A-/A) ;  otherwise a fine-looking example of this Fillmore postcard.