Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer G to left, mintmark M to right (G-M), mounted pillars-side out in plastic capsule inside fancy 18K gold pendant with jump-ring. 18.78 grams total. Full and choice AU coin with very dark toning on pillars side, no corrosion, the bezel ornately engraved on exterior. From the "Golden Fleece Wreck" (ca. 1550).
($500-750)