Sweden 1912 (September 25), Demonstration Flight over Stockholm postcard, franked by King Gustaf V 5o green and bearing Barnens Dag Sverige Forsta Flygpost semi-official air post stamp (50o) violet (minor facialabrasion), violet confirmation cachet, Lidingo Villas (Suburb of Stockholm) date stamp, mostly VF, Est. $250- $300

150.00

1929 (9 June), Trans-Atlantic Pioneer Flight Stockholm - New York, interrupted near Iceland due to technical difficulties, illustrated registered cover franked by 45o brown with additional King Gustaf V 5kr inblock of four,special confirmation cachet in blue, NYC transit on September 11 and Martinez, CA "Sep.16.1929" arrival ds, mostly VF and very scarce, only 65 items were carried, Est. $300-$400

200.00