Watch List notes:

Italy, Firenze, Cosimo II de Medici (1590-1621), Piastra, 1615; AR (g 32,19; mm 41; h 6); COSMVS II MAG DVX ETRV IIII, cuirassed bust r., Rv. S IOANNES BAPTISTA, the Saint standing facing, holding long cross; below, 1615. CNI 80/3; MIR 206/3.
Very rare, old cabinet tone, about extremely fine.