Different cancellations on ship mail documents the North Atlantic route, ten covers and cards mostly with postmark the others postal service institute aboard, as well German post with US sea mail duplex from 1893 and 1897 with two postal stationery card crown / eagle, letter from December 1923 with basket cover stamps and letter from 1930, US postal service with German sea mail oval and two ring cancel from 1912 with postal stationery card and picture postcards as well a letter from Canada 1928, unrecognized tooled with German on board confirmation mark of the steamer STUTTGART