12 Pfg farewell series brown red on paper y, unperforated, with plate flaw I "left upper picture corner over indication of value '12' strong notched" on piece, neat cancelled "SCHWERIN (MECKL) 8.3.4 (6) ", on all sides wide margins, rare stamp, in conjunction with the plate flaw especially attractive, photo copy of a certificate Kramp BPP (for former pair) "cancelled stamps this color type in unperforated condition to be classified as rare. The piece is - genuine - and in perfect condition! ", Michel 1.300.- ++