Original 1st printing, 14 x 22" concert poster for the Chambers Brothers, The Nice and King Crimson at the Fillmore West in San Francisco, CA on 12/11-14/1969. 
 
Art by David Singer, image is #206 in the Bill Graham/Fillmore series. 
 
The poster is in very good condition.  It has stress creases near the words Chambers Brothers, light corner wear and some surface scratches (see photo.)  Otherwise nice.