cover 1896 (24 Dec.) envelope addressed to Moschi and inscribed "Via Tanga!", bearing 1895-96 2½a. tied by "MOMBASA" squared-circle cancellation, showing "ZANZIBAR" (25 Dec.), "TANGA" (28 Dec.) and "MOSCHI" (14 Jan. 1897) backstamps; a few faintly toned perfs., otherwise fine