1, 20 Krb. Postal stamp, block of four from sheet upper margin, the right upper stamp with plate flaw I \"bevel 2 in 20\", only in a part of issue occurring, used \"Wosnessensk 4 15.5.42\", faultless condition, unsigned, photo expertize Krischke BPP: \"the condition is perfect. In multiples with normal stamps, very rare. \", Michel 1.250.-