Watch List notes:

Potosi, Bolivia, cob 1 real Heart, 1731M, extremely rare (unlisted). S-P44; Janson-unl.; KM-unl.; CT-unl. 2.69 grams. Small flan (probably lightly trimmed) but accurate in shape and with nearly aligned axes, also evenly struck on a non-chunky flan, a bit worn (Fine+) but with nicely contrasting toning, holed in top stem as usual, only specimen we know of. Pedigreed to the Santa Rosa de Lima collection.

Estimate: $1500