10 Pfg imperial yacht on cover, stamp FINSCHHAFEN DNG 9 / 1 / 11 to Nuremberg, reverse letter carrier postmark from Nuremberg. The cover was from Neuendettelsauer Missionary Stephen Lehner to his father (Johannes Lehner) written. On the back flap sender adress additional imprint the mission. Closer data see Baumann S. 220 / 21