Original 1st printing, 5x7&1/2 Flyer/handbill for The Harmony Benefit at the Cow Palace in San Francisco on 7/12/1968.  Featuring Iron Butterfly, Credence Clearwater Revival, Vanilla Fudge, Canned Heat, Kai Moore, Sweet Rush, West, Sandy Bull and Wedge.
 
 
In great condition.  One tackhole on top and a small paper nick on the bottom.