Poland, Congress Kingdom of Poland 1815-1864. Grosz 1836 / MW, Warszawa, Nicholas I 1826-1855, Chałupski b/a, Plage 243, Bitkin 1213, Berezowski 0.40 zł, Bitkin 1214, big eagle, Copper 20 mm, weight 2,77 g., Condition NGC MS 64 BN, Top grade NGC!!, very rare in this condition