Help Identifying Skeleton Key

[Searcher62]

I have a large heavy skeleton key. 6 inches long. Shows honest wear and heavy patina . It has a hollow stem with a hole on top. Could this be a key gun or what? It has a gap in the hollow stem about 1 1/2 inches long.

Thanks for any help.

 

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[hill_billiez]

Possibly an old prison key.

 

[nkellam22]

Could really be anything
Its old and cool though

 

[Toecutter]

Looks like a treasure chest key...

 

[Professor of Engineering]

Awesome key, did you find it?