Description:
1928 (Sept 10) Australia-New Zealand #124 Atlantic Union Oil Co Ltd cover carried by Sir Charles Kingsford Smith, Charles Ulm, HA Litchfield & T McWilliams endorsed 'Per favour Squadron Leader CE Kingsford Smith in the Southern Cross' franked on arrival with New Zealand 1d meter cancel and Christchurch '12SEP/1928' cancel, minor blemishes and slightly shortened at top, Cat $5,500. [15 flown; with 1973 Royal Philatelic Society of London certificate "is genuine"]
Symbol : C
Grade : A-
Categories: Stamps & Postal History > COMMONWEALTH OF AUSTRALIA > Aerophilately & Flight Covers