First "relic" find

[Redcon1]

New to MDing and just found this 4" down in my side yard. Any ideas as to what it is? I am guessing some type of pulley cover or knocker? Thanks.

 

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[simbad42]

sort of looks like part of a latch for a window.

 

[cudamark]

Or for one of those old self-tightening screens.