Sir Douglas Quintet, Big Brother & The Holding Company. Handbill for Sir Douglas Quintet at the Avalon. Family Dog, 1966. Original first printing handbill for the Avalon, October 15, 1966 concert (FD-30-OHB-A). Blank back. 11 x 8 ½”. Tiny stain at top margin, some offsetting from the printing process. Rare. A+/A.