Gold coins, jeweled buckles and a signet ring from a shipwreck near Croatia's Mljet island suggest a powerful Byzantine Empire figure was aboard.
https://www.foxnews.com/travel/ancient-shipwreck-gives-up-dazzling-treasures-after-1300-years-underwater
https://www.foxnews.com/travel/ancient-shipwreck-gives-up-dazzling-treasures-after-1300-years-underwater