Watch List notes:

Potosi, Bolivia, cob 1 real Heart, 1712Y, very rare. S-P43a; KM-unl.; CT-unl.; Janson-C36.12. 2.95 grams. Classically shaped but with thinner stem, nearly aligned axes, good pillars-and-waves, double-struck cross with four-digit date below, VF+ with light toning, the usual hole at the top of the stem stripped, with second hole to right of cross. Pedigreed to the Santa Rosa de Lima collection and to our Auction #9, with original lot-tag #1255.

Estimate: $1750