10 C on 20 Pfg Germania unwatermarked, in conjunction with corner of the sheet and further single 2 C on 5 Pfg Germania watermarked on little splotchy envelope to Biesenthal by Berlin, addressee scratched, as registered mail addressed with handwritten number \"139\" and in each case single clear mounted Chinese cancel TANGKU 6 April 12, reverse arrival 21.4.12