Watch List notes:

Potosi, Bolivia, cob 8 reales, 1630 T. S-P26; KM-19a; Cal-1455. 27.39 grams. Smallish flan for the era with thick edge harboring some surface metal disturbances but with choice full shield and cross (the latter with areas of light gray encrustation in crevices), clear denomination dot-8-dot (flat top) and assayer T, also the very bottom of 0 of date, toned XF.

Estimate: $200 - $300