Watch List notes:

Lot of eight Mexico City, Mexico, cob 4 reales, Philip IV and Charles II, assayers P and L (where visible). 90.93 grams total. Generally thin and worn from corrosion but with clear shields and crosses, one very neat U shape (bent). With generic certificate from the salvagers. Recovered from: Joanna, sunk in 1682 off South Africa
($350-500)