This unique pendant features a sea-salvaged 1/2 reales silver cob coin from the Spanish Empire, retrieved from an unknown shipwreck near the Peruvian coast, close to Callao. Minted in the 1700s, the coin displays the traditional castles and lions in quarters of a cross, accompanied by the royal monogram of Spain. Set in an elegant 18k gold frame, the pendant weighs 2.5 grams and measures 15 x 21 mm, including the pendant loop. Authenticity guaranteed, making this a rare and valuable piece for collectors and admirers of historic jewelry.