50th Auction Anniversary Auction - Day 5

Australien: 1939/1945, CENSORSHIP OF CIVILIAN MAIL FROM AUSTRALIA IN WWII: interesting collection wi
1939/1945, CENSORSHIP OF CIVILIAN MAIL FROM AUSTRALIA IN WWII: interesting collection with ca.50 covers, comprising predominantly airmail to various foreign destinations. Included are many different censor-types, multiple censoring, war-related impairments of mail transport etc., i.a. mail with destination Europe (GB, Ireland, Switzerland, Yugoslavia etc.); two covers from 1942 addressed to Dutch East India, each with handstamp "SERVICE SUSPENDED" and returned due to Japanese Occupation; furthermore mail to New Zealand, Penang, India, Egypt, Rhodesia, Uganda, South Africa, USA and Canada. Recommended WWII postal history source!