A nice fully legible piece, with a pleasing appearance. Lots of luster in the background.
Variety with fractional dash in mint alloy with fraction 211/625.
Obverse: crowned escutcheon with the coats of arms of the Crown and the Grand Duchy of Lithuania, above it in a half-arc the legend:
KROLESTWO POLSKA;
Reverse: in an oak wreath an inscription 5/ZŁOT-/POL-, under the wreath initials K-G- Karol Gronau`a - the manager of the Warsaw Mint in 1829-1834, in the rim a legend divided by stars:
17 211/625 OF THE FINE- PURE- KOL- - YEAR 1831;