Original 1st printing 14 x 21" concert poster for the Siegel Schwall Blues Band with Buddy Guy, the Hourglass (Duane & Gregg Allman) and Mance Lipscomb at the Avalon Ballroom in San Francisco, CA on 2/9-11/1968.

Art by Joel Beck, image is #105 in the Family Dog/Avalon series. Medium-thin flat stock poster is in good/very good (B to B/B+) condition;  very light toning, pin/tack holes and small tape pulls (all four corners), light handling/surface wear, otherwise fine. Additionally, this poster has stamps at the bottom center and on the reverse for the short-lived Family Dog operation in London.