1926 (25 June) flown cover from Paris via Persia to Bucharest, addressed to "Le Prince Bibesco", showing transit "27 June 1926 Bagram" and Bucharest 9.VII.1926 arrival markings, "Aero-Clubul Regal al Romanie" cachet, v.f., only 21 covers carried on this flight from Paris to Bucharest (Image)