This nifty, brown, 4-Sen, Japanese postal stationery card was sent to a German bookseller by an officer with the Sanitary Corps of the Imperial Japanese Army on January 29, 1909! The sender appears to have been ordering a hygiene-related text using German, himself! The Imperial German and Japanese militaries had quite strong ties at that time, with the Germans having provided much instruction in various military matters since the late 1800s. 

To continue, the Japanese-language, CDS cancel from the Nagatacho-area post office is pretty good, but smudged/light in some areas. The purple, English-language, transit cancel from the Tokyo P.O. is 75% complete.

Lastly, as for the postal stationery card, itself, it is in quite fine condition. It's quite clean! There is some minor wear and tear around the edges, mostly at the corners. Noted imperfections aside, considering that it's over 115 years old, this relatively rare, Japanese postal stationery card sent to Berlin, Germany, by an I.J.A. officer has survived the ravages of time very well!