Watch List notes:

Potosi, Bolivia, cob 1 real Heart, 1709Y, very rare. S-P43a; KM-unl.; CT-1619. 4.11 grams. Full inner details on a broad flan with nearly aligned axes, three dates, nicely toned VF with minor doubling, tiny hole in top stem. Pedigreed to the Santa Rosa de Lima collection and to the Ponterio auction of April 2006, with original lot-tag #1700.

Estimate: $2000