More than 300-year-old onion glass bottles were found in a ship, part of the 1715 Treasure Fleet. The discovery was made in the Atlantic Ocean off the coast of Indian River County, reads an AOL news article.
300-year-old glass onion bottles!The onion glass bottles are rare artefacts from the 1715 Treasure Fleet which comprised ships that transported treasure, gold, silver and other precious items between Spain and the Americas.
In July 1715, 11 of these Spanish ships were destroyed in a hurricane...
https://mfame.guru/300-year-old-glass-bottles-unearthed-from-historic-shipwreck/