1916年天津挂号寄瑞士或法国战俘邮件专用封4件，均贴北京一版帆船10分或20分邮票，邮资均为20分，销天津英汉文腰框戳，另盖天津英文挂号戳，经京奉行动邮局，满洲里中转，均有京奉行动邮局中转戳，有俄国检查条及检查章，保存完好ChinaCollections and RangesPostal History1916 (12 May) Four Tientsin Via Siberia to Denmark 1st world war prisoner covers, all sent on same day, each cover bearing 20c. franking, tied by Tientsin c.d.s., with Peking-Moukden railway post c.d.s. Manchouli transit c.d.s. (16 May), all with censor seal and handstamp. Condition mix, split or missing small part.
