3 Groschen black on yellow, on all sides with enormous margins and having bright colours outstanding quality, tied by centric mounted blue box cancel of 2 lines \"Varekl 29 / 1\" on piece, expertized Bolaffi, Diena, Hunziker, Köhler and photo expertize Brettl BPP: \"finest, faultless condition. \", Michel 750.- - one of the best known pieces of this stamp!