Watch List notes:

Potosi, Bolivia, cob 8 reales, 1753q. S-P52; KM-40; CT-365. 27.08 grams. Very dark and high grade (uncorroded AU) as from unspecified wreck off Europe, with full pillars and nearly full cross (the latter with what appears to be a castle/lion overpunch in upper-left quadrant), two dates and assayers and mintmarks.
($200-300)