, Hostital trains, violet Austro-Hungarian Royal Sanitary Institute for Syria cachet, Naval Hospitals, various styles of Austrian "Militärpflege" cachets, reserve Hospitals, France with Hospital complementaire markings, auxiliary Hospitals cachets, 1917 "INDO-CHINE FRANCAIS/LAOS" cachet in red on cover from Vientiane, 1917 Dutch Red Cross Ambulance service in France, various P.O.W. mail; also W.W.II or later (61 items) including a few stamps and pieces, numerous cachets, labels and censor markings as in the previous section. A fine lot" /> cover The specialised collection of Red Cross and Military Hospital mail, comprising W.W.I (126 items) with Hospital cachets at Cracow, 1916<I> "Reserv-Lazarett I Israelit Krakenhaus"</I>, Hostital trains, violet Austro-Hungarian Royal Sanitary Institute for Syria cachet, Naval Hospitals, various styles of Austrian<I> "Militärpflege"</I> cachets, reserve Hospitals, France with Hospital complementaire markings, auxiliary Hospitals cachets, 1917 "INDO-CHINE FRANCAIS/LAOS" cachet in red on cover from Vientiane, 1917 Dutch Red Cross Ambulance service in France, various P.O.W. mail; also W.W.II or later (61 items) including a few stamps and pieces, numerous cachets, labels and censor markings as in the previous section. A fine lot | Christie's