Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer not visible, quadrants of cross transposed, Grade 2, ex-Atocha (1622), mounted in 14K gold bezel with shackle bail. 16.96 grams total. Full cross and shield (both oriented on a bias, making the cross an X), minimal corrosion but some flatness, silvery color contrasting with rounded-edge gold bezel. From the Atocha (1622), with Fisher tag and certificate 200162.
($1000-1500)