Watch List notes:

Madrid, Spain, gold bust 4 escudos, Charles IV, 1796MF, NGC MS 63 PL, finest known in NGC census.Cal-1479; KM-436.1.Despite minor marks on the obverse, the extreme luster on this coin (not to mention its choice strike) qualifies at as one of only three 4 escudos OF ANY PERIOD designated Prooflike by NGC, and for this date this one is the finer of two with that designation, a premium piece for the advanced condition-sensitive collector of Spanish coins.
($3500-7000)