Posthistorie
USA, Stemplet postkort med frimærke
1961. USA. USCGC NORTHWIND WAGB 282 BERING SEA PATROL 1961 on card with 10 c. cancelled U.S.NAVY 13608 JUL25 1961. to Hungary.
michel 665
USA, Stemplet postkort med frimærke
1964. USA. U.S. ARMY POLAR RESEARCH & DEVELOPMENT CENTER CAMP 100 CENTURY NUCLEAR POWERED CITY UNDER THE ICE 800 MILES FROM THE NORTH POLE GREENLAND DANISH TERRITORY on card with 2 ex 4 c. cancelled 30 nov 1964.
michel 755
USA, Stemplet postkort med frimærke
1982. USA. ARCTIC EAST USNS MAUMEE THE POLAR PIPELINE SERVING THE ENDS OF THE EARTH THULE, GREENLAND on cover with 20 c. cancelled FORCE POSTAL SERVICE 09023 30 JUL 1982.
michel 1533