Watch List notes:

Mexico City, Mexico, 2 reales, Charles-Joanna, "Early Series," assayer P to right, mintmark M to left (oMo-oPo). 4.64 grams. Thin from corrosion but with bold full pillars, full shield and nearly full legends, darkly toned all over. Pedigreed to the Thomas Gray collection and formerly displayed at the ANA Money Museum's "Treasures of the Deep" exhibit (2014-15), with photo-certificate. Recovered from: Spanish 1554 Fleet off Padre Island, Texas

Estimate: $300 - 450