Watch List notes:

WORLD COINS, ITALY, Naples, Ferdinando I (1458-1494), Silver Coronato, undated (1488-1491), crowned cuirassed bust right, T behind, rev Archangel Michael slaying dragon, 3.91g (MIR 69/2). Weakly struck in parts, nearly very fine / good fine.
from the David Sellwood Collection

Estimate: £30-50