Lot 8211
1923, Airmail 20 m. block of four from the upper left sheet corner with Päevaleht perforation, mint never hinged, very fine, an extremely rare multiple, small perforation separations, on position R7/8 with overprint flaw "M von Marka broken", two other small plate flaws, signed Teetsov and Nemvalz and certificate Löbbering BPP
