Original 1st printing 13&3/4 x 19&7/8" concert poster for the Youngbloods appearing with the Sparrow (an early version of Steppenwolf) and the Sons of Champlin at the Avalon Ballroom in San Francisco, CA from 12/16-17/1966.

 

 Art by Stanley Mouse and Alton Kelley, image is # 39 in the Family Dog/Avalon series.

 

 Medium-thick flat vellum stock poster is in STUNNING mint/near mint to near mint (A/A- to A-) condition; the ONLY real issue I can see is a nearly-invisible thin vertical stress crease at about 8:00 in the center of the oval (it can be seen more clearly on the reverse) and there may be a stray soft pinch ding or two hiding within the image area, but overall this example is just about as clean as they come.

 

 An absolutely GORGEOUS specimen!!!