Original 1st printing 4&5/8 x 7" concert handbill postcard for AThe Butterfield Blues Band, Bloomfield and Friends and Birth at the Fillmore West in San Francisco, CA on 3/27-30/1969.  The card has a schedule back.
 
Art by Greg Irons. image is #166 in the Bill Graham/Fillmore series. 
 
Postcard is in near mint condition.