China. (Indo - Chinese Post Office in Mengtsz). 1907. Small 'Lady's envelope addressed to Paris bearing French Indo-China SG 6, 1c black/ azure and SG 8, 4c purple/ lilac tied by Mongtze/ Chine double ring '24th Mars 04', routed via Lao-Kay '30th Mars' and Haiphong '8th Avril' on reverse.
Very attractive item from Yunnan Province paying the UNOPENED PRINTED MATTER RATE to Paris at 'Five Cents'.