Watch List notes:

House of Hohenstaufen (1194-1268), Grosso da 12 denari, in name of Frederick I, 1155-1312, Pisa, Repubblica, 1220-1250; AR (g 1,62; mm 18; h 9); + IMPERATOR, in field, large F, around, four rosettes, X S' MAR D PISIS, facing bust of Virgin, holding infant Christ. CNI 9-12; MIR 394/3.
Lustrous, good very fine.