Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Early Series," assayer P to right, mintmark M to left (M-P), plain circles, encapsulated NGC AU 50. Nesmith-26b type; CT-74; S-M4. 13.3 grams. Darkly toned with underlying luster, full inner details and legends except for minor pitting at very edge on shield side. Later HISPANIARVM variety. From the "Golden Fleece" wreck (ca. 1550). (Estimate: $1000 - 1500)