Ship / -post, approximate 1900-1940, all world, lot from approximate 50 covers, cards, picture postcards, postal stationeries, all suitably on the subject of, as well various stamp amongst other things on board confirmation mark, imperial navy stamp, "ship Austria" from 1939, KdF steamer "Oceana" Italy trips, , German sea mail, Grace Under Fire Line, Lake Constance shipmail, etc., treasure trove