Original  14 x 21&1/8" concert poster for the Chuck Berry, Mike Bloomfield, Nick Gravenites, Mark Naftalin & Friends, and Initial Shock at the Fillmore West in San Francisco, CA on 1/30-2/2/1969. 
 
Art by Randy Tuten, image is # 158 in the Bill Graham/Fillmore series. 
 
Poster is in excellent/near mint condition.