Original 1st printing  4&1/2x7 concert postcard for Steve Miller Bo Diddly Crow at The Fillmore Auditorium in San Francisco on 7/16-19/1970   The postcard has a schedule backing.
 
Art by David Singer, image is #243 in the Bill Graham/Fillmore series. 
 
Medium flat stock postcard in Mint/Near Mint (A/A-,) condition.