Brazil
João Prince Regent Counterstamped 640 Reis ND (1809) VF25 NGC, KM299. Shield counterstamp upon Brazil 600 Reis 1760-B. A deeply toned and wholly pleasing example, with only even wear. Adding to its attractiveness, the host coin is a fairly rare date for the type as well.
Ex. Guariba Collection of Brazilian Coins, Heritage (Auction 3012, January 2011, Lot 23193)
Estimate: 1500-2000 USD