4d Olive, CofA Wmk, 1933-37
Printed by J Ash, 1933-37, and first issued in February 1933.
Printed by J Ash in 7 printings between January 1933 and November 1937, using Electros 3 & 4. Standard texts used to identify varieties are:
Davidson, AS, & Dix, VW, 1973, Commonwealth of Australia, The George V Fourpence, 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, Brusden-White