Nice piece. Well minted and preserved.
The first type of coins of Boleslaw II. His princely denarius from the mint in Cracow, dated 1070-1076.
Variety with a lying letter "S" in the field (without the small "z").
Additionally, in a rarer variant with balls on the sides of the prince's head and under the horse.
The name of the prince in the correct notation BOLEZLAVS
Silver, diameter 14 mm, weight 0.54 g