A nice piece.
A variant with the eagle’s wings outstretched.
The lowest-denomination silver coin issued by the National Government during the November Uprising.
Obverse: a crowned coat-of-arms shield featuring the coats of arms of the Crown and the Grand Duchy of Lithuania; above it, in a semicircle, the inscription:
KROLESTWO POLSKIE, flanked by the date 18-31
Reverse: within an oak wreath, the inscription 10/GROSZY/POLS•; below the wreath, the initials K•G• of Karol Gronau—director of the Warsaw Mint from 1829 to 1834;
