Brazil
Joao Prince Regent gold 6400 Reis 1808/7-R AU58 NGC, Rio de Janiero mint, KM236.1, cf. Russo-558 (overdate unlisted). Borderline Uncirculated with slight wear on the higher points, strong mint luster and scattered surface abrasions. A tad scarcer overdate, quite desirable in this quality.
Estimate: 1000-1300 USD