Pof.56, Triangle 5h green, overprint III. type, printing only 170 pieces; superb piece mint never hinged with perfectly centrovaným overprint and perf, certificate Vrba and Darmietzel BPP, expertized Lešetický and Mrňák, rare offer of this rare stmp in/at prémiové quality! Pof.59, Mercure R 10h red, overprint type II.; superb mint never hinged piece with wide L margin, certificate Vrba and Darmietzel, expertized Tribuna, Hirsch and Mrňák, very rare stamp in/at prémiové quality!
