4 Real Pendant in 18k Gold 78604

4 Real pendant
Spanish Colonial coin Mexico mint
From wreck of the “Concepcion” 1641
found off north coast of the island Hispaniola ( Dominican Republic )
Reign of Phillip IV , circa 1635
18k yellow gold bezel mount
Approx 30 mm x 31 mm ( 1 1/4 “ x 1 1/4 “ )
Certificate of Authenticity included