Brazil
Joao Prince Regent 960 Reis Counterstamp (1808) over a 1799 So-DA 8 Reales, Minas Gerais mint, KM243, VF Details (Excessive Surface Hairlines) NGC. A rare host coin for this scarce counterstamp, usually found over Potosi or Lima pieces. The last digit of the date of the undercoin is sufficiently apparent to identify it as a 1799 8 Reales Santiago issue.
Estimate: 1000-1200 USD