Watch List notes:

Roma, Senato Romano, Emissioni Anonime (XIII-XIV), Denaro Provisino, XIII-XIV; MI (g 0,59; mm 15; h 12); + SENATVS POPVL Q R, comb, Rv. Cross. Muntoni 82-90; Berman 155; Biaggi 2119.
Very rare variant (legend on reverse), very fine.