China. (France - Boxer Rebellion). 1901. Registered envelope endorsed 'Corps Expeditionnaire de Chine' addressed to France bearing French 'Type Sage' Yvert 94, 40c orange tied by 'Tresor et Postes aux Armees 5 Chine 5' double ring '12th Avril 01' with framed hand-struck 'R', carried by French paquebot with 'Ligne N Paq. Fr. No 5' date stamp '28th Avril' on reverse and Bar-Le-Duc arrival '5th Juin'.
Scarce use of France 'Type Sage' 40c orange on registered mail from Tien-Tsin during the Boxer Campaign.