Souvenir sheets issue "Ice bear" - trio of this issue as follows: normal block, souvenir sheet with plate flaw I "line in the upper stamp margin" as well very scarce variety "unperforated", in perfect condition mint never hinged, rare in this completeness offered, for the varieties photo expertize Tust BPP (Bl. I / I) and photo expertize Krischke (Bl. IU) always "genuine and immaculate", Michel 5.500.-;