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Both together,I haven't seen myself but I would guess keel ballast for a sailing vessel.
Stone cannonballs eye fitness on the Atocha and the DeLuna wrecks in Pensacola Bay. The Pensacola expedition was 1559 I believe.
Were the two find associated with each other?
Quite possible.looks like the bottom plate of a boat skeg, maybe.
There's a hole on both ends, like large pins were used to hold it in place, did old sailing ships use lead ballast inside?does the lead have nay marking on it that would indicate it was poured insitu i e bottom of a keel or hull
looks very like ballast, found it on a shore dive in 30 feet. I'll definitely go back for another look. Thankslead boat ballast I lean towards ballast- it is usually removable to offset cargo loads and its crucial to hold it in place -a shifting ballast has been the demise of many a shipView attachment 777039View attachment 777040View attachment 777041