3 R on 1 Rouble blackish blue, watermark angle pattern, overprint in type III, used with Cyrillic stamp "Alexanderstadt", rare stamp with small edition, photo expertize Krischke BPP: "in the lower horizontal perforation has the stamp a shortened perf, what at the exceptional rarity of the stamp - there are only a few Stücker known - insignificant is and only for your information mentions becomes. ", Michel 6.000.-