Obverse
Coat of arms divides date, denomination at bottom, country name along rim
Lettering: POLSKA RZECZPOSPOLITA LUDOWA
19 79
MW
ZŁ 50 ZŁ
Reverse
Bust of Duke Mieszko I 3/4 left
Lettering: MIESZKO I 960-992
PRÓBA
Extended information
Year
Denomination
Currency
Metal
Copper-Nickel
Krause catalog
Y# 100
Weight
11.7 g.
Diameter
30.5
mm.
Thickness
2.1 mm.
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded