Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer L to right, mintmark M to left. Nesmith-86; CT-84; S-M9. 12.20 grams. Choice interiors for this source, also bold legends (especially the king's name), dark all over and with some edge-loss from corrosion. Recovered from: Spanish 1554 Fleet off Padre Island, Texas
($200-300)