A common example of a highly regarded issue.
Obverse: a crowned coat-of-arms shield featuring the coats of arms of the Crown and the Grand Duchy of Lithuania, with the inscription in a semicircle above it:
KINGDOM OF POLAND;
Reverse: within an oak wreath, the inscription 5/ZŁOT•/POL•; beneath the wreath, the initials K•G• of Karol Gronau—director of the Warsaw Mint from 1829 to 1834; along the rim, a legend separated by stars:
17 211/625 Z GRZYW• CZYST• KOL• – YEAR 1831;
