Thailand. (France - Laos). 1904. Envelope addressed to 'Monsieur Jacques Lambert, chez Monsieur le Vice Consul de France, a Oubon/ par Ban Monang, Laos' bearing France 'Type Sage' Yvert 101, 15c blue and 'Sower' Yvert 129, 10c rose tied by Danion date stamp with Saigon/ Cochinchine '30th Dec 04' on reverse and faint Bassac/ Laos transit.
Nice item routed via French Indo-China and up the Mekong River via Laos and across into Siam.