Original 1st printing 8&1/2x11" concert flyer/mini-poster for a Shiva Benefit featuring Stone Ground, Congress of Wonders, Sopwith Camel, Beefy Red, the Ducks and The Wisdom Marionettes at "The Old Family Dog" on 6/12/1971.
 
Artist unknown.  Great vintage condition.  Has a tape pulland a small cut on the top front and a small tape pull on the bottom back of the poster..