This is not a stamp, but a seal to close official letters from the Russian Embassy to the Netherlands.

Armenia 1922 without overprint.

Belarus, First issue of the National Republic Three (2R brown {as below}, 3R red and blue, State arms,5R, this stamp) perf 11 1/2; and the same three imperf. Ordered by the Belarus Red Cross Society in Kaunus to raise funds for Belarus refugees. (see figure 4).

Belarus, First issue of the National Republic Three (2R brown {as below}, 3R red and blue, State arms,5R, this stamp) perf 11 1/2; and the same three imperf. Ordered by the Belarus Red Cross Society in Kaunus to raise funds for Belarus refugees. (see figure 3).

Turkestan bogus issues- mentioned in Ceresa's handbooks.

3 rubles. "Proletarians of all countries, unite!" an order note of R.S.F.S.R. (Russian Soviet Federative Socialist Republic) and is obligatory for acceptance equally with the credit notes. The other enlarged scan featured face of a 1 ruble bill. 1920s.

Revenue stamps of Transcausasia: Inflatory stamps. 75000 means rubles. Overprint reads 5 kopecks chervon(ny). Chervonets - 10 rubles in gold, stable currency. So it means the gold value of the stamp (1 kopeck - 1/100 of a ruble). It could be overprinted after the introduction of the stable soviet chervonets in 1923 and parallel usage of scarce new rubles and old currencies. Rays from the star read R.S.F.S.R. in different alphabets: Cyrillic, Arabic?, Georgian?.

These are membership fee stamps of the OSOAVIAHIM. (It's quite difficult to translate). M-m-m Voluntary society for support Luftwaffe und Chemical troops.