1/2d Orange, CofA Wmk, 1931-37
Printed by J Ash in two printings (1931 & 1937) and issued in February 1933.
Electros 8 & 9 used by J Ash in two printings (1931 and 1937). Standard texts used to identify these varieties are:
Dix, VW, & Rowntree, AW (1995), The Australian Commonwealth George V Halfpenny, British Society of Australian Philately
Kellow, J (Ed.), 2014, The Australian Commonwealth Specialists' Catalogue: King George V, Centenary of the King George V Definitives, 1914-2014