Watch List notes:

Potosi, Bolivia, cob 8 reales, 1617M, date at 7 o'clock, tiny mintmark, rare. S-P19; KM-10; CT-129. 24.81 grams. Broad flan with very bold full date, choice full shield and cross-and-tressure, clear P-M (variety with tiny P, probably a punch for a 2R), lightly corroded VF with toning in crevices (probably from the Atocha of 1622 but no tag or certificate).
($350-500)