What kind of metal piece is this from??

[treasure777]

I

It is about 10 in wide and it has one hole chipped on top as you can see. I found it at a beach near Trump Golf Course etc. I am not sure. Can anyone help out asap??

 

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[treasure777]

Oh and it does say on the right on the front of it in a rectangle 4 3 2 N

 

[treasure777]

Here is the front part



Here is the front part

 

[Bruce R]

I’m guessing part of a cast aluminum muffler off an outboard boat motor.

 

[toddbbq]

I agree it looks like a part off of a boat