Watch List notes:

Italy, Siena, Repubblica (1180-1390), Grosso da 12 Denari, 1230-1244; AR (g 1,68; mm 18; h 6); + SENA VETVS, in field, S between four pellets, Rv. + ALFAET(I), cross. CNI 22; Biaggi 2535; MIR 481.
Scarce, cabinet tone, extremely fine.