Bolivia. Shipwreck Cob 8 Reales, ND (Potosi). Philip III, 1598-1621. Assayer, Not Visible. Weight 21.10 grams. Coin recovered from the Nuestra Senora De Atocha, shipwreck of 1622. With Certificate (#124727) of Authenticity. Grade Three. Details of Fine. Estimate Value $150 - 200