Poland. Zygmunt III Waza 1587-1632. Grosz (Groschen) 1616, Riga mint, Kopicki 8171 (R5), Górecki R.16.1.d (F3), Tyszkiewicz 12 mk, variant with ARGE-N separated by the coat of arms of Riga, Silver 20 mm, weight ca. 1,3 g., Condition NGC UNC Details, a perfectly preserved mint specimen, deep shine, sharp relief details, scratch at the top, by the cross. Extremely beautiful, rare in this state of preservation