Bolivia. Shipwreck Cob 8 Reales, ND (Potosi). Philip III, 1598-1621. Assayer, Not Visible. Weight 25.20 grams. Coin recovered from the Nuestra Senora De Atocha, shipwreck of 1622. With Certificate (#186633) of Authenticity. Grade Two. Details of Very Fine. Estimate Value $250 - 300