Watch List notes:

Livorno, Cosimo III de Medici (1670-1723), Mezzo Tollero, 1683; AR (g 13,26; mm 38; h 6); COSMVS III D G MAG DVX ETRVRIAE VI, coronated bust of Cosimo r., below 1683, Rv. PRAESIDIVM ET DECVS, ship r., below LIBVRNI, 1683. CNI 18-20.
Rare. Cabinet tone. Good very fine/About extremely fine