Watch List notes:

Potosi, Bolivia, cob 1 real Heart, 1698F, very rare. S-P42; KM-unl (23 for non-Heart); CT-unl. 3.57 grams. Attractive classic Heart shape with the full pillars-and-waves nicely aligned with the fat stem (typically holed), nearly in alignment with the full cross-lions-castles on the other side, two dates, three mintmarks and assayers (rare assayer for Hearts), lightly toned VF, one of just two known. Pedigreed to our Auction #18 (lot #783), to the Stacks Bowers auction of January 2015 (lot #336) and to the Ponterio auction of January 2009 (lot #1159).

Estimate: $2500-5000