Original 1st printing concert poster for the Quicksilver Messenger Service, The Don Ellis Orchestra, and Rockwell at the Fillmore Auditorium in San Francisco, CA on 6/18/21/1970. 
 
Art by David Singer, image is #239 in the Bill Graham/Fillmore series. 
 
The poster is in very good vintage condition.  There is some edgewear, corner wear and surface scratches.