HORSESHOE ROUTE With Italy entering WWII in June 1940 all routes across the Mediterranean were suspended. African routes were Cairo-Durban & then by ship to UK. Eastern routes to Australia went via Singapore until the fall of Singapore in February 1942. At which point the route stopped at Calcutta. Durban-Sydney, 3d & 6d x 2 (War Effort) of SA, tied with Cape Town 25 Sep 41 machine wavy linr cancel. On plain cover. Air Mail label top left. Opened & resealed with bilingual censor tape. Addressed to Wellington NZ. South African Airways Cape Town-Durdan. BOAC Flight NE125 to Cairo-Sydney via Singapore. Trans Tasman flight Sydney -Auckland. With notes. Nice clean cover Very scarce. {C} [US4] (Start Price / Minimum Bid) = £40.00)