Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer P.S-M19; KM-45; Cal-Type 319.26.24 grams.Roundish flan, thick and solid (minimal corrosion) but silvery from cleaning, with full oMP and shield and cross, peripherally flat. From: Concepcion, sunk in 1641 off Hispaniola
($175-250)