Watch List notes:

Italy, Leonello d'Este (1407-1450), Marquis of Ferrara, bronze medal on his marriage to Maria of Aragon, 1444, by Pisanello, bust left, rev., a lion representing Leonello being taught to sing by Cupid, 96mm (Hill 32; Pollard 11 = Kress 7), flawed late cast, very fine
Estimate: £400 - 500