An excellent piece.
The coin is definitely in above average condition with swirling strong luster on both sides, centric, well struck.
Obverse: crowned bust of the ruler to the right, in the rim the legend:
FRIDERICUS BORUSSORUM REX;
Reverse: crowned two-field escutcheon with the denomination VI inscribed in it, below it the mint mark B, in the rim the legend:
MONET[]•-ARGENTEA717-57•
Recommended for discerning collections.