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 55. Nesmith-26a/26a type; CT-74 type; S-M4. 13.3 grams. Full details on both sides (including legends, of the later HISPANIARVM variety), with minor doubling on shield side, hairline edge-crack, hints of luster and toning. From the "Golden Fleece" wreck (ca. 1550). (Estimate: $1000 - 1500)