Very rare Glogau 1/2 groschen.
In Kopicki's catalog rarity level is R7 and listed extremely rarely on the auction market.
Very rare!
Silesia, Duchy of Glogau, Heinrich IV (1309-1342) with his brothers, 1/2 groschen Guhrau mint
Obverse: human leg in armor facing left, surrounded by trefoils
Reverse: wheel with eight spokes, with trefoil between each pair, surrounded by rosette
Diameter 19 mm, weight 1.70 g
