desc_issuer: Russia desc_denom: 10r desc_color: bl desc_perf: imperf Used by 1 overprinted stamp: Far Eastern Republic postage 1923 5k bl d=worker (1922) ovpt=D. B.//KOP. value KOP.//cyrillic oc=blk on=issuer=Russia-10r-bl-imperf unwmk imperf Not used by any images. Matches 1 type: Russia postage 12/1922 10r bl issue=1922f d=worker (1922) unwmk imperf |