China
From 1870 Russian Post Offices were opened in various towns in Manchuria and China.
1899
Arms of Russia Series
SG # 31
Unused (Hinged)
1910
Arms types of Russia (overprinted)
SG # 25
Unused (NH)
1917
Arms types of Russia surcharged in “cents” and “dollars”
SG # 47
Unused (Hinged)
Turkey
General issues for Russian Post Offices in the Turkish Empire and stamps specially overprinted for use at particular offices. From 1863 to 1913.
1900
Arms Series of Russia (surcharged PARA or PIASTRES)
SG # 51
Unused (Hinged)
SG # 53
Unused (Hinged)