50th Auction Anniversary Auction - Day 5

Dänemark - Grönland: 1937-52: Seven special covers and postcards, with 1937 cover Thule to Copenhage
1937-52: Seven special covers and postcards, with 1937 cover Thule to Copenhagen franked by complete 1935 set of five, three postcards from the Danish Northeast Greenland Expedition 1938-39 sent to Søborg resp. Copenhagen (one with Nielsen certificate), A postcard from the Pearyland Expedition 1948 franked by set of 1938 issue and sent to Aalborg, and two covers carried by Scandinavian Airlines first Trans-Atlantic flight from Los Angeles to Copenhagen in 1952, both bearing special Greenland 2kr. 'Grønlandshjælpen' stamps.