Watch List notes:

Potosi, Bolivia, cob 4 reales, 1739 M, NGC AU 58. S-P47; KM-30a; Cal-1196. 13.32 grams. Choice piece with two full dates and assayer's initials, nearly complete pillars and cross, most of king's name visible, small edge crack as made, second finest known in the NGC census.
($200-300)