Russian Partition, Nicholas I (1825-1855), 10 groszy 1840 MW, Warsaw mint
a well struck piece with nice details
A coin that was minted in the largest number of pieces in the 19th century, minted until 1856 at the Warsaw Mint, with an unchanged date on the coin.
Silver coinage, weight 2.64 grams, diameter 19 mm
Literature: Plage 106, Kopicki 9387, Berezowski 0.20 zl.