Spanish silver cob "piece of eight" two Reales minted 1740 in Potosi, Bolivia during the reign of Philip V.
Obverse: cross with lions and castles.
Reverse: Pillars and Waves. Assayer initial “M”.
Custom set into a 14k yellow gold bezel pendant, measuring approximately 1 and 1/4 inches from the top of the bail to the bottom of the bezel, 1 inch across widest point.