905, (approximate. ), postal stationery postcard 5 Pfg imperial yacht with on face senders mark "DR. MED. JOSEPH SEIBERT / Imperial government doctor", addressed to a ship's officer in Matupi / sea star. Text concerns Request to the appear "for the purpose of examination on tropics service capability". Posting stamp indecipherable, probably Herbertshöhe (Dr. Seibert was 1905 in H. )