Spanish "Piece of 8" silver half Reale minted 1748 in Mexico City, Mexico during the reign of Ferdinand VI.
Obverse: Pillars and waves with globe in center, date below, legend surrounding.
Reverse: Shield coat of arms, legend around.
Custom mounted in a sterling silver bezel pendant with 14k yellow gold prongs and bail, measuring approximately 1 inch from top of the bail to the bottom of the bezel, ¾ of an inch across.