30 Kopecks "Karelo-Finnish SSR" with overprint "Laisvi Telsiai 1941 VI 26" in type IIIb, block of nine from of the right upper corner of the sheet with the fields 4-6 / 10-12 / 16-18 with the overprint flaws XIII, XV, XVII, XVIII and XVI, field 16 unused otherwise mint never hinged, field 12 and 18 trace of creases, at the bottom between the fields 16-18 separated, edition the normal stamp 360 examples, the edition the overprint flaw amounts each 60 piece, rare, photo expertize Tobias Huylmans BPP, Michel 8.340.- plus plus