Guatemala, 8 reales, sun-over-mountains countermark (Type II, 1839), on cross side of a Potosi, Bolivia, cob 8 reales, 1770 V-(Y or J). KM-99. 22.72 grams. Strong XF countermark on a chunky AVF cob with bold full date, holed near edge and cut down to just under 23 grams.
Estimate: 150 - 225 USD