Poland, John Casimir, Crown, szóstak (sextuple groschen) 1662, Leopol (Lviv) mint.
On Obv. IO CASIM D G - REX PO ET SVE. On Rv. ARGEN, the bottom of the crown filled with mesh, the Snopek coat of arms in a double border, with a lily at the top and a scroll (the so-called "bow") at the bottom.
Silver, 3.01 g, 25.8 mm. Ciura 662L.1.4.2.2 (there, the inside of the crown is smooth).
Grade: XF, lustrous, exceptionally well minted and nicely preserved.