Watch List notes:

Italy, Firenze, Cosimo I de Medici (1536-1574), Testone, 1570; AR (g 9,21; mm 30; h 2); COS MED MAGNVS DVX ETRVRIAE, cuirassed bust r., Rv. S IOANNES BAPTISTA, the Saint seated facing, sligthly r., holding cross; in ex., 1570. CNI 266/270; MIR 168/1.
Rare, old cabinet tone, about extremely fine.