Watch List notes:

Potosi, Bolivia, cob 8 reales, 16(52)E transitional Type IV/A, ex-Mastalir. S-P37; KM-A20.4; CT-432. 23.48 grams. Solid and attractively toned with areas of light corrosion and minor doubling, one pillar especially bold and full, nice but off-center full crown-and-shield, apparently the only specimen known with this combination of die-varieties, according to Mastalir. Pedigreed to the Roberto Mastalir collection, #IV.1-A.aa(5)1 in his book (page 84), with photo-certificate. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
($700-1000)