1919, interesting mint never hinged/unused and used collection, specialised with proof and varieties, starting with a good selection of the first issue both unused and used, many better items like Mi.-Nr. 3 unused (x2), 14 unused, 34-35 used on piece, 25 mint never hinged and 34 unused both inverted overprints, a rare single die proof of the “З(ападная) A(рмия)” overprint struck in dark bluish-violet on cardboard (ca. 32 : 67mm) and annotated in pencil on reverse “Abzug von H. Meyer”, I-VIII cpl. in full sheets, etc., together with some duplicates. Many signed “L.D”, Richter, Hofmann BPP or with the latter´s certificates, a remarkable specialist assembly in mostly good condition