b'61 2SMASH URANIUM POLICE STATES,FILMS ON BLACK AUSTRALIA, 1978 poster by Michael Callaghan1978 poster designed by Michael (19522012) and printed by EarthworksCallaghan, founder of Redback Poster Collective. Hand printed silkGraphix, and printed by Earthworks screen on paper, Poster Collective. This poster won 51 x 75cm a Bronze Hugo Award in Chicago. $300500 Colour hand screenprint on paper,50.5 x 75.5cm$30050012'