Air Post Official stamps. 1922, red surcharge (type I) 12m on Russian Consular stamp of 2.25r dark blue on green and buff network, bottom sheet margin single from position 24 of 25-stamp setting, full OG, NH, VF, C.v. $150 as hinged, Est. $100-$150 (Image)

Air Post Official stamps. 1922, red surcharge (type II) 24m on Russian Consular stamp of 3r dark green on rose and pale green network, a surcharge position 23 of 25-stamp setting, a single with bottom selvage separated, full OG, NH, VF, A. Zverev certificate, C.v.$175 as hinged, Est. $100-$150 (Image)

Air Post Official stamps. 1922, red surcharge (type I) 1200m on Russian Consular stamp of 2.25r dark blue on green and buff network, position 19 of 25-stamp setting, full OG, LH, VF and scarce, Soviet Philatelic guarantee hs, V. Zagorsky certificate, C.v. $1,950, Est. $1,000-$1,200 (Image)