Spitzbergen. 1926, Trans-Polar flight card postmarked 'Luftpost med Norge Svalbard-Nordpolen-Alaska, with signature of pilot Hjalmar Risser-Larsen to Germany, at back uncancelled 20Pf definitive, v.fine + 1953 18 special flight cards 'Oslo-Thule- Anchorage-Tokyo' + 2 cards around the world (back to Oslo) (Image)