Potosi, Bolivia, cob 4 reales, (161)9T, Grade-2 or -3 quality but certificate missing. S-P21; KM-9. 11.14 grams. Bold but off-center shield with clear P+T, tail of 9 of date outside of full but weak cross, light surface corrosion. With Fisher tag #136060 (certificate missing) without date listed. Recovered from: Atocha, sunk in 1622 west of Key West, Florida ($250-375)