Watch List notes:

Potosi, Bolivia, cob 1 real Royal (galano), 1684 VR, unique, NGC VF details / plugged. S-P40; KM-unl (R23 for type); Cal-unl. 3.08 grams. Thin and perfectly round flan, the cross and pillars-and-waves technically full but with some flatness, much legend, black-toned fields, with well-disguised plugged hole at bottom of cross, first example of this unlisted date that we have seen or heard of. Pedigreed to the Jorge Ugaz collection (stated on label).
($600-900)