A variety with an eagle with straight paws in the shield of the coat of arms. A fully legible example of an insurgent trojak.
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 POLSKIE; below the shield initials K-G- Karol Gronau - administrator of the Warsaw Mint in 1829-1834;
Reverse: in an oak wreath the inscription 3/GROSZE/POLS-/1831;
