1925, Roald Amundsen's Attempted Flight to North Pole by flying boat "Dornier Do J Wal", double- sided small size postcard sent from USA to Norway on March 18, 1924 to be delivered to North Pole, upon arrival uprated by two Norwegian stamps, including Polar Bear 25o red issued to help financing the Expedition, cancelled by Kings Bay (Svalbard) "18.VI.25" ds and returned to Brooklyn, mostly VF, Est. $150-$200

100.00

1925, Roald Amundsen's Attempted Flight to North Pole by flying boat "Dornier Do J Wal", double-sided small size postcard sent from USA to Norway on April 9, 1924 to be delivered to North Pole, upon arrival uprated by two Norwegian stamps, including Polar Bear 25o red issued to help financing the Expedition, cancelled by Kings Bay (Svalbard) "18.VI.25" and Kristiania (Oslo), then returned to New Jersey, mostly VF, Est. $150-$200

100.00

1936 (May 6-9), Airship "Hindenburg" 1st NAF cover, franked by three values, including airplane 45o blue, tied by Oslo "4.5.36" ds, letter "d" (Frankfurt) red confirmation cachet, arrived to NYC on May 9, VF, Sieger #406C

100.00