Canton, 1917. Censored envelope (tear at top) addressed to Switzerland bearing Canton Yvert 53, 5c green (3) and Yvert 54, 10c red tied by Canton/China double ring routed via Shanghai with 'Controle Postal Militaire' label and oval 'Ouvert/Par L 'Autorite Militaire/108' in violet and Ermatinge receiver.
Mongtseu, 1928. Registered envelope (vertical fold, toned, flap partly missing) addressed to Saigon bearing Canton SG 70, 2c on 5c green mixed with Mongtze SG 56, 4c on 10c red (pair) and Packhoi SG 55, 4c on 10c red (3) tied by Rachgia/Cochinchine double ring with hand-struck 'R' and boxed 'A.R.' with Saigon arrival on reverse. Very nice Advice of Receipt cover.
Yunnan, 1913. Envelope addressed to France bearing Yunnan SG 40, 25c blue tied by Yunnan-Fou -Chine double ring routed via Haiphong/Tonkin with transit on reverse. Very fine. Ex Desrousseaux.