An early, rarer type of Bydgoszcz trojak.
Issued with the initials of the mint's lessee, Valentine Jahns, and the mintmaster's mark of hooks at the bottom of the reverse, between the coats of arms Lewart and Radwan.
Royal bust with broad head of the ruler.
Variant with a POL in the titulature and a trillium to the left of the Eagle.
