Unknown brass item

[johnreb1980]

I found this yesterday about 10ft away from where I found the cast I. It is about the size of a quarter ,around 3/4 of an inch tall and has that nice green brass look to it. It also has threads inside of it with a small hole through it. Any info on this item will be greatly appreciated,Jonathon.

 

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[eagle77]

end cap for curtain rod