Set of six 'gis extension Speakers radio, circa 1949, all different with different coloured circular cases with chrome feet including brown; light blue; pink; light green; and a black and a white example both with original cardboard boxes (6) all 19 cm diameter. Literature: See Sheridan Peter and Singer Ritchie Radio Days Australian Bakelite Radios, Sydney 2008 p. 200 (illustrated).