China (Yunnan) 1920 Registered Illustrated Advertising envelope

cover to the Chemin de Fer French Railway, Mong-Tseu bearing 4c Scarlet SG272 (2) tied by Vietnam to Mengtze Railway No.2 datestamp with Boxed handstruck registered, routed via Lungchow with Mengtze arrival. Superb item for the exhibitor. (pt)    ID: 5435