Antarctica: Norwegian, British, Swedish Expedition 1949-52: 1951 Norway 5¿., 80¿., tied by special “DRONNING MAUD LAND/10 2 51/71¡ 03’ S (penguin) 10¡ 56’ W” cancellations to special envelope registered to Dr. J.H. Harvey Pirie (geologist on the Scottish National Expedition 1902-04) in Johannesburg, with expedition cachet, registration label and with Oslo May 10 1952 backstamp. Signed by expedition glaciologist Valter Schyttt (1919-85). Photo. (Image1)