Postal stationery with overprint" only for Navy ship post" with postmark" KAIS. German navy shipãs mail No 6 " from small kreuzer SMS Arkona at the time of occupation from Kiautschou, the impresssion of the value shows the plate flaw the DR 47 III ( shortened foot of the right P ), by Michel so far only unused known ( 300,- ), very rare commercially used item in good condition, arrival postmark" FRIEDRICHSORT ", Michel / study group 650,- ++ ++