Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)52E transitional Type III, rare, ex-Mastalir collection. S-P37; KM-A20.3; CT-unl. 13.64 grams. Heavily corroded around the edge (half the weight lost) but with interior details fully visible, the shield side in fact choice and the pillars side (moderately corroded) with clear F-8-IIII and E-•-E defining the Type, toned on fields. Pedigreed to the Roberto Mastalir collection, #III.b-A(1)1 in his book (page 70). Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador ($200-300)