Original 1st Printing (Type A,) 14 & 3/16 x 20" concert poster for the first Family Dog show in Denver, featuring Big Brother and The Holding Company, Blue Cheer, and Eigth Penny Matter, at The Family Dog in Denver, CO, on 9/8-9/1967.  
 
Art by Rick Griffin.  Image is #79 in the Family Dog series, and #1 in the FD Denver series.
 
The poster is in used vintage condition.  All four corners have large staple pulls and multiple tackholes.  The upper right corner has a chunk missing.  There is a tear on the upper border.  The lower border has a foldand a small tear.  There is some light edge handling and toning.  This poster was definitely hung up and displayed.