Watch List notes:

Potosi, Bolivia, cob 8 reales, 1650O, Latin 5, with crowned-T countermark (rare) on cross. S-P35; KM-unl.; CT-unl. 24.34 grams. Full date and bold countermark, full but doubled shield and crown and cross, deeply toned, tiny edge-split, light corrosion on edge only. From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #0070. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($700-1000)