1 Mark national coat of arms, unperforated, from corner margin lower left (field 91 and 92) as well the right stamp with plate flaw IV "n in Gdansk above broken" - only on field 92 occurring, unused with original gum, photo expertize Gruber BPP (2013) : "genuine and in perfect quality. ", in this combination rare, a Michel value to numbered was absurd! For the large collection