Italian States, Modena. Alfonso IV d'Este. 1658-1662. BI sesino (14.9 mm, .80 g, 7 h). [...] · ALF[.] · IV · M ·, bare-headed, draped bust of Alfonso IV rigfht / MVTIN / SESIN, legend in two lines within elaborate square frame border. MIR 815; Ekl 241. Fine/VF, irregular flan loses much obverse legend, weak strike weakens reverse legend; warm brown patina.