1933 (July 24-31), Pioneer Flight cover from Mecca to Cairo via Djeddah (24.7) and Port Tawfiq (31.7), addressed to Batavia (then Dutch East Indies), franked by eight adhesives, buff ''Par Avion'' label and all appropriate transits and arrival ds, minor conveyance flaws, still F/VF and very scarce, Est. $400-$500 (Image)