Lithuania Dwudenar 1611 Vilnius (RRR) - III and Broad Knight

Lithuania Dwudenar 1611 Vilnius. Zygmunt III Waza (1587-1632). Variety with III (instead of II) on obverse and broad Knight, horse tail down on reverse. Silver 0.51g. Reverse like Ivanauskas 1SV10-10 (RRR). In some polish catalogues this variety is described as trzeciak litewski 1611 (Kopicki 2007 #1114 R8), but in fact this was a minting defect. Very interesting coin!