Potosi, Bolivia, cob 4 reales, Philip III, assayer M, Grade 2, ex-Atocha (1622), mounted in 14K gold bezel with shackle bale. 19.37 grams total. Full but partially flat cross and shield (both sides "up"), light surface corrosion, silvery color contrasting with square-sided gold bezel. From the Atocha (1622), with original Fisher tag and certificate 156109.
($1000-1500)