Postage free military cover mailed from Tientsin and handwritten "Field-Post-Brief" canc. "K.D.FELDPOSTEXPED./DES OSTASIATISCHEN/EXPEDITIONSCORPS 63 a" and boxed "S.B.OSTAS. EXPED./FELDBACKETREI KOL.". On reverse transit canc. "SCHEILLDORF*14...01".