Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip IV, assayer T (1629, fine-dot borders, denomination 8), ex-"Panama hoard" (ca. 1629), mounted cross-side out in silver bezel with 14K gold prongs and shackle bail. 36.69 grams total. Good full cross and shield, traces of orange sediment, nice XF, thick and heavy bezel. From the ca.-1629 "Panama hoard."
($150-225)