Original 1st printing 14 x 20" concert poster for Quicksilver Messenger Service appearing with Kaleidoscope (featuring David Lindley) and Charley Musselwhite at the Avalon Ballroom in San Francisco, CA from 1/12-14/1968.
 
 Art by Rick Griffin, image ("Eternal Reservoir") is # 101 in the Family Dog/Avalon series.
 
 Medium flat index stock poster is in near mint (A-) condition; there is a nearly-invisible tiny stress crease next to the "K" of "Kaleidoscope" and a couple of VERY soft corner-tip bends, but overall this specimen is just about as sharp/crisp as you can hope to find.

 An absolutely GORGEOUS 1st printing example of this always-popular Rick Griffin image.