Rarely seen in the trade medal.
Obverse: Heads of Nicholas and Frederick to the left, at the intersection of the neck signature L. HELDE, below signature G. LOOS DIR., in the rim legend:
NICOLAUS I TOT. RUSS. IMPERAT. FRID. GUIL. III BORUSS. REX;
Reverse: Two knights with pennants against the background of a camp, in the rim the legend:
CASTRA CALISIENSIA RUSSO-BORUSSICA, in section MENSE SEPTEMBRIS/MDCCCXXXV;
Bronze, diameter 34 mm, weight 15.04 g.