Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip IV, assayer P. S-M19; KM-38. 13.04 grams. Broad flan with no corrosion at all, the cross and shield full but peripherally flat, bold denomination 4, silvery surfaces. Housed in a Blanchard promotional wallet with small certificate and tag #43473. From: Concepcion, sunk in 1641 off Hispaniola
($200-300)