souvenir sheet issue Masaryk with child with hand stamp overprint "we are free! plus swastika" in the full original size, perfectly mint never hinged, limited edition from only 40 examples, expertized Dr. Hoerr and Mahr BPP, photo certificates Mahr BPP (1980) and Brunel VP (2019) "the condition is perfect. souvenir sheet in mint never hinged condition extremely rare. ", Michel 7.800.-