Provisional Gunji Yubin Cards
Soldiers on the front lines used whatever there was available to write home to their loved ones, whether it was a seized pictorial scene or blank card stock.

PHILIPPINES to JAPAN
Ordinary card stock used as a Military Mail post card sent from HITO dispatch,
WATARI 6556 Force, Shigemoto party to Japan. Military Mail hand stamped
in red and censor hand stamp in purple with personal seal of censor hand stamped in red.