Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)52E transitional Type VII/B, rare, ex-Mastalir collection. S-P37; KM-unl; CT-unl. 17.17 grams. Broad flan but very thin from corrosion, most details still faintly visible, enough to identify the rare subtype, one of only two known of this die variety, according to Mastalir. Pedigreed to the Roberto Mastalir collection, #VII.1-B.aa.x(1)1 in his book (page 177), with photo-certificate. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador ($150-225)