O.D.V.F. and OSOAVIAKHIM issues. GOMEL: 1927, Byelorussian Agriculture Co-op Airplane, charity label of 15k black on rose paper, block of four, natural straight edge at right, no gum as produced, VF (Image)

O.D.V.F. and OSOAVIAKHIM issues. GOMEL: 1930, OSOAVIAKHIM and MOPR, dual theme label with black text in Belarusian, printed on thin gray brown paper, fresh and flawless, VF (Image)

O.D.V.F. and OSOAVIAKHIM issues. KRASNOYARSK: 1924, eight O.D.V.F. and OSOAVIAKHIM, including set of four ''Build a Red Barracks'', two airplane charity labels and etc., one label with tiny toning, still fresh and VF (Image)