MARTIN SHARP, LEGALISE POT RALLY, 1968: three psychedelic events posters, 'Show Your Head'

Design Martin Sharp and John Hurford, promoting the 2nd Legalise Pot Rally, July 7, 1968, Speakers Corner in Hyde Park, London, originally used to advertise the Rally in the June 1968 edition of Oz magazine, printed to thin paper, with purple text l.h., loose sheet, 75cm; 50cm, (3)