Watch List notes:

Potosi, Bolivia, cob 8 reales, 1621T with date as "1612" (very rare), Grade 1. S-P21; KM-10; CT-139 var. 26.86 grams. Small, thick flan with choice full cross and shield, bold assayer T below "+" ornament, retrograde P in legend, very compressed date with clear 6I followed by an offset Z (612) for the year 1621 with the last two digits transposed, lightly toned and 100% corrosion-free. With Fisher tag and certificate #147397. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($800-1200)