Original 1st printing 14x19 & 7/8" concert poster for The Miller Blues Band, Lee Michaels, and the Peanut Butter Conspiracy at the Avalon Ballroom in San Francisco, Ca, on 2/10-11/1967.  
 
Image is #47 in the Family Dog/Avalon series. 
 
Art by Victor Moscoso
 
The poster is in very good vintage condition.  It has tackholes on all four corners.  Also the corners have small bends and there is a bit of edgewear.