Watch List notes:

Potosi, Bolivia, cob 8 reales, 1666E, date as "66" between pillars. S-P37a; KM-21; CT-455. 24.78 grams. Three dates, including full second date 16666 (yes, four 6's, due to pillars-side doubling) in legend, full cross-lions-castles, Fine with patchy toning and edge-split. Pedigreed to our Auction #9, with original lot-tag #1183.
($200-300)