Watch List notes:

House of Hohenstaufen (1194-1268), Grosso da 12 denari, in name of Frederick I, 1155-1312, Pisa, Repubblica, 1220-1150; AR (g 1,73; mm 18; h 9); X IMPERATOR, in field, large F, around, four rosettes, X S' MAR D PISIS, facing bust of Virgin, holding infant Christ. CNI 11; MIR 394.
Rare, old cabinet tone, good very fine.