25 Pesa on 50 Pfg crown / eagle, two vertical gutter pairs in an unit, mint never hinged, photo expertize Dr. Provinsky BPP: "the left upper stamp of the deep rich colors gutter blocks of four point at a slight diagonal crease and a short tooth left on. The remaining stamps are well perforated and without defects. The block of four is above of the gutter in the perforation slightly prefolded. ", Michel 900.