Manchuria Harbin 1911/1926 Russian P.O Japanese Occupation North China

1) Pair of cards: 1911 Russian P.O Harbin with unpaid Harbin handstamp with Ijpo cds Changchun and Darien and large red boxed Japanese Due handstamp with blue native ‘3’ inserted

2) 1926 Russian P.C Harbin Railway Station with pair of Junk stamps to Germany