1913, legitimate registered cover with 5 Pfg and 10 Pfg (always 2x) imperial yacht, stamp KIETA DNG 4 4 13, registration label Einfeldt type 3, to Sulzbach / Wuerttemberg. Sender adress flaps impression: "E. Class / Kieta / German New Guinea". Ernst Ewald Class was 1905 Leader the postal service agency Matupi, from 1907 Leader the trading post from Hernsheim in Kieta and Buin, from 1913 field executive on Komuli. The cover has patina and traces of usage, however rare commercial usage