Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651E, with crowned-L (Mastalir Lbb) countermark on cross, ex-MAREX. S-P36; KM-19b; Cal-1491. 26.93 grams. Solid and uncorroded, with toning all over, nice full shield and cross (both slightly doubled), king's ordinal IIII and all four digits of date visible as well as a 100% complete countermark at edge on cross side. With Marex tag #91-8R-0062 and with Sedwick photo-certificate from 2018. From: Maravillas, sunk in 1656 off Grand Bahama Island
($400-600)