Original third printing color 14 x 20 Family Dog concert poster (FD-14-3) for the Big Brother and the Holding Company and Quicksilver Messenger Service shows at the Avalon Ballroom on June 24 and 25, 1966, carrying the famous 'Zig-Zag Man' image appropriated from the logo for Zig-Zag rolling papers. Designed by Alton Kelley and Stanley Mouse, with the Mouse Studios credit printed in the lower right. In fine condition.