1913, cover with 10 Pfg imperial yacht, stamp HERBERTSHÖHE 28 / 10 13, to Hamburg to the ethnologist F. E. Light vehicle (Participant at of the German South Sea - expedition). The 3 sided letter contents (enclosed) comes from Rudolf elections, a the most important contractor in DNG. Senders note on the letter contents: "Gunantambu" (mansion from queen Emma)