Watch List notes:

Italia, Stato Pontificio, Senato Romano, Casato Annibaldi (?), Grosso, XIV sec.; AR (g 2,52; mm 20; h 4); + SENATVS P OPVLVS Q R, lion advancing l.; below, coat with three pellets (Annibaldi ?), Rv. Roma enthroned facing. Muntoni 55; Berman 146; Biaggi 2113.
Very rare, cabinet tone, minor flattening, good very fine.