Already in the first years of the reign of Sigismund III, the Poznan mint, opened during the reign of Stefan Batory, minted the first coins. Among them also shekels.
In the first years, it places on them the mint mark of Theodor Busch, crossed hooks, which can also be seen on this representative of 1591.
A variety with corrected date numerals (from the misplaced 19 to 91), but with a small reverse crown, type 1 (defined by the degree RRRR)
