Post paid navy matter with three-line cancel "command S. M. S. Prince Bismarck B. Number" 30 II, on the back embossed seal "* Imperial navy * command S. M. S. Prince BISMARCK", cancelled "KAIS. German navy ship mail No. 43 4.1.08", to the Tsingtauer Shipyard Tsingtau, slight vertical margin crease, otherwise in exceptional good condition