Obverse
Two-headed eagle with a crown above, 3 shields on wings
Lettering: M W
Reverse
Value and date within wreath
Lettering: 10 КОПѢЕКЪ 20 GROSZY 1842
Extended information
Year
Denomination
Currency
Metal
Krause catalog
KM# Pn229
Ruler
Weight
2.1 g.
Diameter
17.8
mm.
Shape
Round