Original 1st printing 4&5/8 x 7" concert handbill postcard for Santana, the Youngbloods, and Allmen Joy at the Fillmore West in San Francisco, CA on 5/15-18/1969.  The card has a schedule back.
 
Art by Lee Conklin. image is #173 in the Bill Graham/Fillmore series. 
 
Postcard is in excellent/near mint condition.