1922, black metal surcharge 50,000r on 3r brown and blue, vertical tete-beche pair, upside down stamp has normal surcharge, in addition a single with double surcharge, no gum as produced, VF, Est. $120-$150 (Image)

1922, two provisional violet overprints ''Bakinskoi P.K.'' on 150r blue and 400r blue, both are postally used, mostly VF and rare in used condition, each stamp with expert's guarantee hs, Est. $150-$200 (Image)