Have you ever seen a tag like this?

[up north]

Fresh out of the dirt. This tag is made of really soft metal, maybe lead. I know it is kind of generic, but was hoping someone might recognize the style. It definitely appears to be machine made, and is as thick as a US nickel.
The only other thing I found at this spot was a mangled kerosene lamp. Thank you for your opinion.

 

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[Breezie]

I'm not sure for what the tag was intended, but the tongue is made to wrap back through the open slit. Interesting find, Breezie

 

[celtex]

Old Railroad security seal? Was it found near a railway?

 

[Dano Sverige]

Bird leg ring maybe?

 

[Bigcypresshunter]

I was going to say an identification tie for a wire or pipe but because the metal is so thick, bird band sounds like a better guess. Here are the modern types.