Potosi, Bolivia, cob 2 reales, 1732YA, rare. S-P45; KM-29a; CT-1354. 6.16 grams. Somewhat Royal-like flan (round and even in thickness), with full inner details, three dates and assayers, AVF with patchy dark toning and old hole near edge. Recent research by Jorge Proctor has found this rare assayer-mark refers to Francisco de Yllana. (Estimate: $200 - 300)