Bolivia
Felipe III Cob 4 Reales Treasure Coin 1617-P, KM9, Condition 2. Date and mintmark, (P for Potosi), visible, assayer is not. Ex-Daniel Sedwick auction #3, May 2008. From the wreck of the Atocha. The first dated coin of the New World. Date is written backwards, (7161). The Atocha card is present which would allow one to redeem the certificate.
Estimate: 500-750 USD