Origina l 4&5/8 x 7&1/8"" concert postcard for Big Brother & The Holding Company, Iron Butterfly, Booker T. & The MG's, at the Fillmore Auditorium in San Francisco, CA on 4/11-13/1968.
 
Art by Patrick Lofthouse and Thomas Weir. image is #115  in the Bill Graham/Fillmore series. It has a place stamp here backing.  Was not mailed.
 
Postcard is in excellent/nm condition.