China. (Chinese Forces Attached To The British Expedition). 1915. Stamp-less envelope headed 'Y.M.C.A.' addressed to 'The Postmaster, Rouen' with framed 'Y.M.C.A./ Chinese Base Stores 3/ B.A. P.O. 2/ B.E.F. France' on reverse ibn violet., cancelled by Rouen machine cachet dated '3rd Nov 15'.
Very scarce item from the Chinese Laborers (mostly from Wei Hai Wei) serving in the British Expeditionary Force at Rouen (France).