Very rare variety of the Wrymouth denarius with a double inscription on the reverse.
Sporadically on the auction market.
Choice uncirculated. Graded MS64 by NGC.
Second highest grade in NGC population report.
Obverse: Saint Adalbert sitting on the throne, Prince Bolesław standing on the right, in armor, holding a spear and shield
Reverse: a cross around which a legend, a second inscription in the inner rim
Diameter 14 mm, weight 0.37 g
