Lot of seven Mexico City, Mexico, cob 8 reales, Charles II, assayers not visible. KM-46. 130.31 grams total. About half with thin edges and the rest solid, all with clear shields and crosses, several interesting shapes. With (generic) certificates from the salvager. Recovered from: Joanna, sunk in 1682 off South Africa (Estimate: $350 - 500)