1922, Russian Empire Consular revenue stamp of 10 kop. nominal with overprint in 3 rows: ”Air mail/ R.S.F.S.R./ 1200 germ. marks”. The stamp is very lightly hinged. The overprint of the stamp submitted is genuine, type I, the lenght of the row R.S.F.S.R. is 32,7 mm. The stamp has full original gum and in fine condition, rare, certificate Zagorsky and 1922, Russian Empire Consular revenue stamp of 2 r. 25 kop. nominal with overprint in 3 rows: ”Air mail/ R.S.F.S.R./ 1200 germ. marks”. The stamp is very lightly hinged. The overprint of the stamp submitted is genuine, type I, the lenght of the row R.S.F.S.R. is 32,6 mm. The stamp has full original gum and in fine condition, rare, certificate Zagorsky. Zwerew total 2.750 USD.