Денарий, Польша, Bolesław II (1058-1080)

POLAND / Boleslaw the Bold 1058-1080. duke's denarius, Wrocław, Obv: Head of the duke, inscription around the edge BOLEZXLVS, Rev: Head of St. Jana, inscription XIO.ANNES around the rim, silver 17.6 mm, 0.57 g, Str. not recorded, Such. \"The beginnings of coinage in Wrocław, type 1 (a fragment of the publication of the Scientific Association of Polish Archaeologists: \"Slavic Land in Medieval Europe 2, Wrocław 1996 - article available for viewing at WCN),"III+,1