Watch List notes:

Mozambique (under Portugal), 8 reales, monogrammed-MR countermark (1767) on a Potosi, Bolivia, cob 8 reales of Charles III assayer V-(Y) (date not visible), rare. 26.03 grams. Worn and chunky host (About Fine with small edge-splits) and crude but full countermark effacing the host date (but assayer V at top right visible, hence 1760-1773), nicely toned.

Estimate: $350 - 500