Watch List notes:

SPAIN: Carlos III, 1759-1588, AV 4 escudos (13.25g), Madrid, 1787-M, KM-418.1a, assayer DV, AGW 0.3809, nice Fine. Struck after a slight reduction in the fineness of gold coins, from .901 to .875, enacted in 1786 for all gold denominations.

Estimate: 550-700 USD