Collection mint never hinged, mint and canceled partly specializes expertised Matheisen BPP, 33 **, 183/92, 206/29, 235/37 I per *, 189 o 232 III ** with overprint type, colours, papers, printing date, gutter pairs and hearts with better valueses like no. 5 ya, 79, per * expertised Matheisen BPP 1920/23, extensive, expertised Dr. Petersen BPP