Mystery Pendants in Mom's jewelry collection

Yesterday was spent solving the mystery of the two ‘coin pendants’ found in Mom’s jewelry collection. After a lot of Google searches, I found examples of them. Atocha shipwreck treasure gold coin pendant and 1788 Carol III Spanish Coin pendant. The coin design in use during the Atocha time period, referred to as shield type, incorporated the Spanish coat of arms or shield on the obverse side and a cross representing the union of Church and State. Gold coin pendant. Atocha Coin Jewelry (website). The Atocha was a treasure-laden ship that set sail from Havana in September 1622, carrying a vast cargo of silver, gold, and precious jewels that were meant to finance Spain’s ongoing wars in Europe. However, the ship was caught in a hurricane and sank off the coast of Florida, taking with it its precious cargo and almost 300 people. For more than three centuries, the wreck of the Atocha remained undiscovered, until it was finally located by a team of treasure hunt...