1901/1915 Cancellation study on stamps, pieces, postcards and covers, presented upon sixteen pages, including Railway postmarks, noted a 1916 stampless cover with Usambara railway mark sent from Fieldpost, also very fine examples of the Mohorro datestamp on piece and a picture postcard, a 1904 postcard sent from Daressalam to Konia, Turkey, with Suez datestamp, many other local cancels such as Bukoba, Kilossa, Lindi, Ujiji, Tabora, Moshchi, Pangani on single stamps, condition is mixed, an interesting group with many scarce postmarks and several rare examples.