This rare pendant features a sea-salvaged 1/2 reales silver cob coin from the Spanish Empire, found off the Peruvian coast near Callao, likely from an unknown shipwreck. Minted in the 1700s, the coin showcases the iconic castles and lions in the quarters of a cross, along with the royal monogram of Spain. The coin is set in a handcrafted 18k gold frame, weighing 2.6 grams and measuring 14 x 21 mm with the pendant loop. Authenticity guaranteed, this historical piece is a must-have for collectors or as a unique addition to any jewelry collection.