Original 2nd printing, 14x21" concert poster for The Chambers Brothers, The Sunshine Company and Siegal Schwal at the Fillmore Auditorium in San Francisco, CA on 1/11-13/1967. 
 
Art by Bonnie Maclean, image is #102 in the Bill Graham/Fillmore series. 
 
The poster is in vintage condition.  There are multiple tackholes on all four corners. There is also an edge bend and some edge wear.  The poster was definitely hung and displayed.