1921, Double eagle 2 k. in pair with Tschita 3 k. in pair and 10 k., tied to reverse of cover to Harbin with arrival mark (Image)

1923, Surcharge issue 1 k. in strip of 4, 2 k. in strip of 3 and 2 copies 5 k. on reverse of cover to Germany. (Image)

1923, exchange fee stamp 15 k. on 50 k. (applied with clipped perforation at the upper right corner), with additional franking on front and reverse of registered envelope from Vladovostok 20.3.23 to Harbin with arrival mark. A very rare stamp, especially on cover. (Image)