^Lot 1638 MEXICO, Mexico City, cob 8 reales "biscuit," probably Charles II, assayer not visible, thickly oxidi

MEXICO, Mexico City, cob 8 reales "biscuit," probably Charles II, assayer not visible, thickly oxidized and encrusted (as found). 29.11 grams total. Covered in thick "salt and pepper" encrustation with clear Mexican cob shape, scarce provenance. Pedigreed to the Steve Valentine Collection, with original certificate from the salvor/conservator. Recovered from: Het Huis te Kraaiestein, sunk in 1698 off South Africa