1918, Curtiss Jenny, large die proof of 24c in carmine, printed on India paper and mounted on large sunken die card, size of proof is 87x75mm, size of card202x150mm, excellent condition, no gum as produced, VF and rare, C.v. $4,750, Est. $2,200-$2,400

1922 (July 26), "Maud" Expedition and Attempted "North Star" Polar Flight by Roald Amundsen and pilot Oscar Omdal, cover from Nome (Alaska) to Philadelphia, bearing a pair of Amundsen's North Pole labels with two Washington 1c green affixed over, tied by "North Star. Air Post" confirmation marking, "Maudexpeditionen" straight line cachet in violet, VF and scarce. The Flight to the North Pole on a "Curtiss" airplane was planned in the summer of 1922, but did not take place due to the plane crash, Est. $400-$500

250.00

1989, 20th UPU Congress, Futuristic Mail Delivery, (45c) multicolored, bottom sheet margin (USPS) se-tenant block of four with light blue (engraved) color omitted (country name and denomination), full OG, NH, VF, C.v. $500, Est. $150-$200

100.00

1991, Harriet Quimby, 50c multicolored, left sheet margin USPS block of four, imperforated horizontally, perfect condition, full OG, NH, VF and scarce, especially in block, C.v. $1,700 as two pairs, Est. $700-$800

400.00

First Official Missile Mail 1959, pre-printed publicity cover from The Postmaster General from the U.S.S. Barbero, franked by 4c dark blue and deep carmine, tied by official cachet without date, this cover is one of 100 prepared for distribution to the Press with appropriate text on reverse, VF, Est. $150-$200

100.00

     12 Mostly Pioneer Flights Items
1927-82, "Lindbergh Celebration" St. Louis-Chicago, cover delivered by S.S. Aquitania for Flight London-Munich-Berlin-Vienna of 1928, cover from Boston with portion delivery from Galway to London of 1929 and etc., mainly fresh and flawless, F/VF, Est. $150-$200 (website photo)

100.00