Obverse
Bust right
Lettering: CAS REX IOAN T L B
Reverse
Crowned eagle with shield on breast
Lettering: SOLID REG POLON 1663
Extended information
Denomination
Currency
Metal
Copper
Krause catalog
KM# 110
Diameter
16
mm.
Thickness
0.9 mm.
Alignment
Coin ↑↓
Shape
Round
Edge
Plain