Watch List notes:

House of Hohenstaufen (1194-1268), Grosso da 2 soldi, in name of Frederick I, 1155-1312, Pisa, Repubblica, 1269-1270; AR (g 2,99; mm 22; h 9); + FM IMPERATOR, eagle, with open wings, standing l. on Ionical order, Rv. PI-SE, the Virgin enthroned facing, holding infant Christ; at l., above, MΩP-ΘVΩ. CNI 20; MIR 397.
Rare, cabinet tone, very fine.