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\", impeccable 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.-