Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651E, Latin 5, with crowned-•F• (two dots) countermark on shield. S-P36; KM-19b; CT-511. 27.12 grams. Solid flan with very choice full shield and crown and cross (off-center) and much legend, including full date and king's name, P-E and 8-E, bold countermark, edge-crack, toned. From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #0042. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($500-750)