Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip IV, assayer T, ex-"Panama Hoard" (ca. 1629), mounted cross-side out in silver bezel with 14K gold prongs and shackle bail. 17.50 grams total. Full shield and cross in VF grade with slight surface porosity and much tan sediment, mounted with cross rotated 90 degrees counterclockwise, the bail rather tall and somewhat loose.
($150-225)