Italy, Duchy of Ferrara, Niccolo III (1393-1441), Marchesano grosso undated, issue from 1393-1441
Obverse: in field, letters C h I O in a cross shape, around a large dot, small eagle precedes legend
I C h O L',. M A R
Reverse: in field, gothic letter A surrounded by four large dots, small Ferrara shield precedes legend
DE . FE . RA . RI
Diameter 12 mm, weight 1.03 g