Watch List notes:

Potosi, Bolivia, cob 4 reales, 1670 E, mounted cross-side out in silver bezel with 14K gold prongs and shackle bail. 19.84 grams total. Good full cross, full pillars (diagonal relative to the mount), nicely toned, with clear date and three assayers, light surface porosity. With photo-certificate.
($175-250)