20 Kop. - 60 Kop. ("Pleskauer municipal coat of arms", "Cathedral from Pleskau" and "Aid for the city kindergarten", in black, extremely rare perforated trial proofs! on ungummed (as produced) paper, with watermark "standing transverse rectangles", in perfect condition (issue-specific perforation), unsigned! photo expertize Walter Zirath BPP: ". these trial proofs are rare. ", Michel 2.000.-