14.25x20" first and only printing poster for Dec. 6-8, 1966 concerts that took place at the Matrix nightclub in San Francisco, CA. that featured Moby Grape. Art by Heinrich Kley features a bizarre image of nude women, satyrs and bears plucking grapes from the hair, chest and bottom of a large woman as bird creature and squat monster look on. Catalog No. AOR-2.107. Corners and center right margin have staple holes w/pulls/tears from removing poster. Lighter strip along right margin as majority of poster has lt. even aging. Scattered dust soiling. VG overall, but corner/margin issues could be easily matted out for a VF display. Rare, as only a few hundred posters were printed.