50 Pfg. on 5 M. in the horizontal pair with at the bottom attaching gutter and with overprint type "Ia", left stamp with Aufdruckbesonderheit "wide gap between 5 and 0" (field 43 one part of issue!) mint never hinged, superb in every respect (choice copy), not signed with photo certificate Gruber BPP: ". . . Genuine and in perfect quality"! - very scarce, so far not noted special feature!