Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip IV, assayer not visible (style of 1629T, denomination 8, heavy-dot borders), ex-Panama hoard, mounted cross-side out in silver bezel with 14K gold conquistador embellishment, prongs and shackle bail. 38.67 grams total. Choice full cross-lions-castles and well-detailed full shield (XF details), with dark-orange sediment in crevices, heavy and sturdy bezel. From the ca.-1629 "Panama Hoard."

Estimate: $250-375