Bidspirit auction | Poland - Cracow (Kraków) issue

Poland - Cracow (Kraków) issue - 1919, black overprint ''Poczta. Polska'' on 2k blue, 3k carmine rose (granite paper) and 4k yellow green, set of three values, the last one with pinpoint inclusion, full OG, previously hinged, mostly VF, each one expertized by H. Bloch and Philatelia Kraków guarantee hs, C.v. $402, Est. $150-$200, Sc. # 52-54