✅ SOLVED Military button?

[Hoosier Digger]

Found this at an 1875 home site in central Indiana. It is brass and 1.5 inches in diameter. It lacks any sort of back, but the central part shows where I believe something had been attached. So my questions are- 1) Is this military as I am assuming? 2) If military, what was it? Was it a button? 3) If military, is there an estimate as to the appropriate time period/war? As always, I thank you in advance.

 

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[fyrffytr1]

It may be a collar disc or bridal rosette but it is military. It may also be a hat badge. My computer crashed and I lost all my book marks that I used to help me Id these things so hopefully someone will be along soon to give you more info. It is no earlier than 1901 and I am just guessing that it would date from the 40s up.

 

[villagenut]

Could be a cap badge too. Here is one similar WW1era
Wwi Army Cap Badge Enlisted Aef Doughboy Subdued Eagle Cap Insignia French Made | What's it worth

 

[Hoosier Digger]

That looks about right. The area covered by the clasp/pin back is the same size as the discolored area on the back of mine. Thanks.