Three 16th-century Spanish
The wrecks include three ornate bronze cannons, two being three meters long and one being two metres long, along with a marble monument which has the coat of arms of the king of France engraved on it. The monument has been identified from the manifest of a 1562 expedition to Florida by the French navigator
The cannons and monument were installed at Fort Caroline, which was an early French Huguenot colony on the St Johns River, and is now called Jacksonville, Florida.
In addition to these cannons and the monument, 19 iron cannons, 12 anchors, a stone grinding wheel, and scattered ballast and ammunition were also discovered.
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