Colombia
Nueva Granada 10 Reales 1848 AU58 NGC, KM107. A lightly toned example of this unusual denomination.
https://coins.ha.com/itm/colombia/colombia-nueva-granada-10-reales-1848-au58-ngc-/a/3076-33682.s?type=CoinArchives3076
HID02906262019
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Estimate: 500-700 USD