lead ingot.

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Celt

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Anyone ever see an ingot like this, shaped lead half ton weight. found it with a stone cannon ball.
 

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looks like the bottom plate of a boat skeg, maybe.
 
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?
 
does the lead have nay marking on it that would indicate it was poured insitu i e bottom of a keel or hull
 
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?
Both together,
 
does the lead have nay marking on it that would indicate it was poured insitu i e bottom of a keel or hull
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?
 
lead 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 ship
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When I first started diving 34 years ago, I was perplexed by the number of house bricks I found well away from the shore. Finally I figured it out, people were putting bricks inside fish/carb/cray traps as ballast and these were lost ones, the wire cage having rusted away. Perhaps something like that?
 
https://www.shearwater.com/products/peregrine/

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