5 on 30 Pfg. With plate flaw "lower foot of the first E in German bent" (field 12) with normal stamps in block of four, date-appropriate cancellation "Gdansk 29.11.20", in perfect condition, very rare, in this kind probably the only one exists, Michel - . For genuine used, Michel 500,- already for complaisance canceled, photo expertize Gruber BPP (former starting price 300)