Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)46, assayer not visible, upper half of shield transposed (very rare), with crowned-L countermark on cross. KM-19a. 21.18 grams. No corrosion but much flatness (the low weight due to fraudulent striking), clear 64 and weak but certain final 6 of date, nearly full countermark, most of shield with clear (and unexpected) transposition error, small patch of dark "horn silver" on that side. With certificate from the salvagers. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
(500 - 1000 USD)