Thailand. (Burma Overland Mail). 1909. Photographic post card of 'Missionary's travelling in the jungles of Northern Siam' dated 'Chiengrai, Laos Aug 17 1909' addressed to the United States bearing Siam SG 95, 3a green tied by Chiengrai date stamp 'Aug 17', routed via Chiangmai with transit on face '25th Aug 09', with Coalinga duplex arrival, hand-stamped 'Forwarded' in purple and endorsed 'Visalia'.
Missionary card mentioning their travels in Kengtung (Burma), mailed by the Burma Overland route via Moulmein, Rangoon and carried by Sea Post Office.
Scarce card (but 2a adhesive removed).