1933 Darius-Girenas Transatlantic flight cover franked with United States 3c Newburgh, tied by Brooklyn July 15 cds, also "Lituanica" and corresponding violet cachets, signed by both fliers, Kaunas July 18 arrival pmk on back, v.f. (Image)

Est.$250

1935 (21 Sep) Felix Vaitkus' Trans-Atlantic attempt cover franked with US 6c orange and special overprinted adhesive, also two additional stamps on back, tied by Kaunas (31 Oct) return trip to Chicago, numbered "63" and signed by Lt. Felix Vaitkus, with violet cachet, registry handstamp and other appropriate markings, fine-v.f. (Image)

Est.$500