This beautiful pendant features a sea-salvaged 1/2 reales silver cob coin from the Spanish Empire, recovered off the coast of Peru near Callao from an unknown shipwreck. Minted in the 1700s, the coin displays the traditional castles and lions in quarters of a cross, along with the royal monogram of Spain. Set in an elegant 18k gold frame, the pendant weighs a total of 2.8 grams and measures 15 x 22 mm, including the pendant loop. Authenticity guaranteed, this piece is a unique treasure for collectors and those who appreciate historical jewelry.