China. (French Post Offices in Yunnan). 1903. Picture post card of 'The French Customs Office, Long-Tcheou' addressed to Paris bearing French Post Office in Indo-China SG 24, 10c rose-red tied by Mongtze/ Chine double ring '2nd Mai', routed via Lao-Kay 'Mai 8th' and Hanoi/ Tonkin '17th Mai', Very fine.