Italian States, Siena (Republic) AR Grosso. Before 1250. ✠ SENAVETVS, large S flanked by four pellets / ✠ ALFA ET CIƆ, cross pattée. CNI 26; Biaggi 2536. 1.67g, 19mm, 9h. Near Extremely Fine; attractively toned with striking rainbow iridescence to both sides. Scarce.