What is this relic?

[GeauxLSU]

Found in an area where I found other Civil War relics. I'm stumped as to what this could be?. Please help!!!

 

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[GatorBoy]

Looks like a hinge

 

[Davers]

Man I don't know .
Maybe you can send it to American Diggers Magazine's section "Can you I'd"
Davers

 

[crashbandicoot]

Hinge from an old footlocker or similar container?