Thailand. (Indo-China) 1937. Air Mail envelope headed 'Poste Aerienne Voie Air Orient' addressed to Syria bearing French Indo-China SG 155, 30c grey and blue (pair) tied by Saigon Central/ Cochinchine date stamp with 'Par Avion' label and circular cachet 'Premier Services Reguliers/ France Indo-Chine/ Vie Air Orient' in violet, endorsed 'Par Avion de Saigon a Beyrouth' with Bangkok. Penang and Port Taufio transits with Beyrouth arrival. Scarce.