Watch List notes:

Potosi, Bolivia, bust 2 escudos, Charles III, 1787PR, rare, PCGS XF detail / tooled. CT-530; KM-57. Key date of a rare type (in fact the only example seen by PCGS or NGC), with bold details and light toning all over (matte surfaces) but odd natural metal-flow flaw or fire damage (possibly from a shipwreck), that PCGS calls "tooling," on right side of reverse. PCGS #84682253.

Estimate: $1000-1500