Original 1st printing 7 x9&1/4" concert postcard for The Doors, Chuck Berry, Salvation, Big Brother & The Holding Company, Quicksilver Messenger Service, Jefferson Airplane and Freedom Highway, at the Fillmore Auditorium in California on 12/26-30/1967 and at Winterland on 12/31/1967.  The postcard has a blank backing.
 
Art by Bonnie Maclean, image is #99  and 100 in the Bill Graham/Fillmore series. 
 
The card is in excellent.  Just a small paper pull on the back that doesn't show through, and a light smudge on the 99 card