Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer T, Grade 4. S-P21; KM-10. 19.73 grams. Silvery surfaces from cleaning after salvage, corroded a bit thin along the edges yet overall a solid piece with some shield and cross detail, clear mintmark and assayer. With original Fisher tag and certificate 188951. From: Atocha, sunk in 1622 west of Key West, Florida
($250-375)