Kingdom of Poland, Nicholas I (1825-1855), 5 gold 1829 FH, Warsaw mint.
Nice piece in a gray patina, the outline of the Tsar Alexander's sidebar is visible. Also very nice side with tsar's eagle and small Polish eagle. Under the eagle's paws initials of the mintmaster FH - Frederick Hunger.
868 silver, weight 15.58 grams, diameter 31.2 mm, mintage 1,234,453 pieces
