The coin was minted from cast stamps made by Majnert.
The stamps in this case were cast from the original piece.
The forgery is all the more interesting because it was struck in double weight, as mentioned by Mankowski in his publication.
A very rare numismatic coin on the market.
Obverse: in the pearl rim a half-figure of the king wearing a crown and armor, holding a scepter and a sword handle, in the outer rim a legend:
STEPHANVS*D*G*REX*POLONIAE*1580*;
Reverse: in the pearl rim a crowned eagle with the Batory coat of arms on its breast, in the outer rim legend:
MAG*DVX*LIT*RVS*PRVS*MASO & C*;
Silver, diameter 41 mm, weight 60.36 g.