Watch List notes:

MEXICO, Colonial. Carlos I, with Juana. King of Spain, 1516-1556. AR Real (25 mm, 3.30 g, 1h). Ciudad de México (Mexico City) mint; assayer L (Luis Rodriguez?). Struck 1542-1556. Crowned coats-of-arms; M to left, L to right / Crowned Pillars of Hercules atop waves; PL VS VL between. Nesmith 88d; Bailey p. 12; KM 0009. VF, lightly toned. Rare not sea-salvaged.

From the J. Herbert Collection.