Understaining in the rim. Nice luster and surface, though with soiling in places.
The denarius of Boleslaus IV with the emperor on the throne is a coin whose issue is linked to the tribute paid to Frederick Barbarossa in Krzyzkow near Poznan in 1157.
The variety with the emperor holding lilies, seated between crescents (the left one with a ball).
Silver, diameter 16 mm, weight 0.31 g.
