Watch List notes:

Potosi, Bolivia, cob 4 reales, 1679/8C/E, encapsulated NGC VF 20, extremely rare. S-P38; KM-unl.; CT-unl. 13.4 grams. Crudely struck (flatness and slight doubling) but with bold and clear 79/8 overdate and fairly clear C/E assayer at upper right (neither mentioned on the slab tag), full waves, good full cross, toned, edge-split.

Estimate: $500