Brazil
Maria I gold 6400 Reis 1805-R, KM226.1, MS61 NGC. Rio, (R), mint. A lustrous mint state example with some field abrasions which define the grade. Overall, quite impressive and worth a strong premium this nice. Krause catalog price(s) for this item: $700 in VF, $900 in EF, $1500 in UNC, $2500 in BU.
Estimate: 1000-1250 USD