AUSTRALIAN ANTARCTIC TERRITORY 1961 (FDC) 5D DOUGLAS MAWSON, ADELAIDE
5d Douglas Mawson single on John Gower/WCS cover embellished by Overseas Mailers (grey-brown and yellow colours) with GPO ADELAIDE, SOUTH-AUST circular cancel dated 18 OCT 61, the first day of issue. Scarce. Generally fine. SG7; SCL7
