Watch List notes:

Potosi, Bolivia, cob 8 reales, (1650-1)O, with crowned-dot-F-dot countermark (4 dots) countermark on cross. S-P35; KM-19b. 26.77 grams. Choice, non-salvage (rare thus) AVF with good full shield, full P-O and 8-O, most of king's name and ordinal, full cross-and-tressure dominated by the full countermark in the middle (curiously visible in reverse on the shield, a sort of brockage error), nicely toned, minor edge-split.

Estimate: $250 - 375