Cleaning my work van this morn

[tomsneck]

And was putting all the random finds in a box to sort at home and I came across this.
I can only assume I found it on a night hunt and thought it was flashing or something. Can anyone tel me if this is what I think it is?
Thanks for the look [emoji102]

 

[DCMatt]

Vintage fishing lure tail?

 

[P.ALLEN]

It's the back to a Federation Communicator

 

[DCMatt]

It's the back to a Federation Communicator

 

[tomsneck]

Lol. Don't think so.

 

[Subterranean]

If it was copper I would say "trade point!" Sub

 

[tomsneck]

It's copper

 

[bradyboy]

Curious as to why the two holes are different sizes
Brady