Original 1st printing type 2 or B, 14x20" concert poster for Big Brother & the Holding Company, Quicksilver Messenger Service, and Country Joe & The Fish, at the Avalon Ballroom in San Francisco, Ca, on 11/25/26/1966.
 
Art by Victor Moscoso.  Image is #36 in the FD Family Dog series. 
The Ticket strip is bright red and has the Bindweed Press credit.
 
The poster is in vintage condition.  There is a tackhole rip near the top edge.  The corners have tape pulls. There is a small crease on th bottom edge and edge wear and smudgeing.  See photo.