Fully legible pieces.
Type I bust, rosettes at crown, shields with bows at bottom and top. Variant of CASI inscription (rarer than CASIM).
The 1667 Bydgoszcz sixpences form a very diverse group of coins. The differences on the reverse concern the shape of the shields of arms and the decorations between them and next to the crown. Differences on the obverse concern only the bust, which can be attributed to several types.