Watch List notes:

Mexico City, Mexico, cob 8 reales, 164(?)P. S-M19; KM-45. 26.44 grams. Broad round flan with full 164 of date and bold oMP, most of shield and cross but otherwise flat, darkly toned, minimal surface corrosion. Recovered from: Concepcion, sunk in 1641 off Hispaniola ($175-250)