Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Alaouites and Latakia - 1929 (July 2-3), Pioneer Flight Beirut - Athens, registered cover from Latakia to Athens, franked by 7 values (3 - on reverse) with Alaouites overprints or surcharges on Syrian stamps, including 4 with additional black or red Airplane overprint, Athens ''3.7.29'' arrival and all appropriate markings, F/VF, Est. $150-$200, Sc. # C17-19, C21