75 Oere coat of arms with dark blue Bdr.-overprint "C. I. S", vertical pair with four sides gezähntem blank field below (Fields 86 / 96 / L), on the blank field slanting overprint of the Doppelaufdrucks, there are only a sheet on the second overprint only 10 Fields hits, in perfect condition mint never hinged, not signed, certificate Briefmarkenclub Copenhagen and new certificate with photograph Gruber BPP (2013) : "genuine and in perfect quality. ", Michel -.- - very scarce special feature the Dienstmarkenausgaben, already The Persuaders! Normal stamps + blank field stand by Michel with 900.- - the issue amounts therefore according to certificate only 10 pieces!