Spanish silver one real minted 1767 in Mexico City, Mexico during the reign of Carlos III.
Obverse: Crowned globe between Pillars of Hercules; legend VTRA QUE VNUM mintmark, 1767 M surrounding.
Reverse: Crowned shield of arms between assayer initial and denomination; legend CAR III D G HISP ET IND R surrounding.
Set into a 14k yellow gold bezel pendant
