Medieval Spain - Kingdom of Castilla y León. Juan I (1379-1390).
Blanca 'Agnus Dei'. Seville. (1.37 g. 21 mm.).

PECATA MVNDI MISE around a circular border containing a crowned Y. /

ANGVS DEI QVI TOLIS around a circular border containing the lamb of Saint John the Baptist. S as mint mark.

Baptist-730