Watch List notes:

ITALY, Napoli (Regno). Ferdinando I (Don Ferrante). 1458-1494. Æ Cavallo (19+mm, 1.72 g, 9h). Type A. L'Aquila mint. Struck 1488-1494. FERRANDVS (five annulets) REX, radiate, draped, and armored bust right / EQVITAS REGNI (two annulets), horse prancing right; eagle beneath horse's head; rosette above; in exergue, (rosette) T (rosette). Grierson, Coins of Medieval Europe 409; MEC 14, 1020-2 var. (one annulet in rev. legend). Dark brown surfaces, traces of earthen deposits. Near VF.

From the Richard A. Jourdan Collection of Medieval European Coins, purchased from Renaissance Coins, 2013.