KAKABON, "landing stage", picture postcard with 5 Pfg imperial yacht, weak stamp RABAUL DNG 12 / 1 13, to Gdansk. Senders note: Kakabon, 5 / I / 13, in addition to it signatures from August Engelhardt (founder of the Sonnenordnes) and from Alfred Rheude (plantation manager by Engelhardt & Co. on Kakabon)