10 Pfg. Postal stamp orange red, variety \"right unperforated\", neat cancelled\" (SCHOPPNITZ) Kr. Katowice b . 21 4-5 N\", impeccable, photo expertize Gruber BPP: \". First, me known, partially perforated copy. The stamp is genuine and in perfect quality! \" - so far not registered unique the Upper Silesia philately!