Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip IV, assayer TR (late 1630s).S-P27; KM-19a.24.57 grams.Thick and circular cob with thin edge crack, full cross and nearly complete shield, crusty surfaces but next to no corrosion.From: Concepcion, sunk in 1641 off Hispaniola
($150-225)