Spanish silver cob "piece of eight" half Reales minted in Mexico City, Mexico during the reigns of Philip V (1700-1746) and Carolus III (1759-1789).
Obverse: cross with lions and castles. Dated 1737 and 1765
Reverse: Spanish coat of arms.
Custom set into sterling silver bezel lever-back earrings.. Measures approximately 1 1/2 inch from the top of the lever-back to the bottom of the bezel, 13/4 inch wide.