Original 1st printing 17&1/8 x 22&1/8" late-1960's-era psychedelic poster for "UFO Dimensions, the Ever-Changing Time-Space Warp Show", an "infinite environmental art" event/exhibit held at the UFO Gallery at 1608 Haight Street in San Francisco, CA. (*no dates or other info is provided)

 Artist unknown (either "H." or "Pentagonlal Dodecahedron, Ltd."), medium flat vellum stock poster is in excellent (B+) condition; there is a subtle moisture warp to the paper, along with a nearly-invisible thin vertical soft bend in the lower left margin, a few tiny edge/corner-tip creases, a pair of small diagonal bends in the top left corner tip and a light amount of ink streaking along the left margin, otherwise fine.

 ULTRA-COOL obscure Haight-Ashbury psychedelic art poster from the late-'60's with a great design and bright colors.