both f.w. Russian PO in China stamps, one bearing Harbin to Manchuli #262 Russian Train PO oval datestamp. Plus a 1918 Junk 1c postal card, CTO by Khailin cds.
f.w. Russian PO in China 10k stamp, tied by Shanghai Russian PO cds., along with "Livrasion impossible/ a cause de la guerre" cachet, taxed in Swiss f.w. 25c Postage Due stamp. Interesting.