Original 1st printing 21&7/8 x 27&5/8" concert poster for Canned Heat appearing with the Conqueroo and Shiva's Headband at the Vulcan Gas Company in Austin, TX on 5/11/1968. 

 Art by Gilbert Shelton, image ("Canned Heat") is # 21 the VG/Vulcan Gas Company series.

 Medium-thick flat vellum stock poster is in very good (B/B+) condition; there are a series of thin hard/pronounced vertical bends (and a couple of small tears) stretching along the outer edge of the upper right margin (about 11" from the upper right corner down to just above the middle of the right margin), along with a hint of light handling wear, a light vertical bend and a small tear along the lower left margin and a couple of nearly-invisible (only really visible on the reverse side) soft horizontal roll bends along the left margin, it is a fine-looking example of this ULTRA psychedelic mid-1968 Vulcan poster by the one and only Gilbert Shelton.