Buttons? Knockouts? Other?

If they are magnetic I’d think that would rule out electrical knock outs. I’ve only seen steel knockouts. Not an electrical though so could be wrong.


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I meant not an electrician so could be wrong.


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Regarding the "knockouts," I found what I thought was a knockout at a mid 19th century site once. Wasn't quite convinced as it shouldn't have been there and was pretty crumbly but not rusty. It was about the size of a half dollar. Cleaned it up and raised a seated liberty and realized that what I had was a counterfeit half dollar made out of pewter. Not saying that is what you have, but that's what I had! Funny thing is that in my 4ish years of detecting, I've found 2 Indian heads and 4 large cents, 3 gold gilted buttons, and a counterfeit silver, but never a single REAL silver of any age!

I have found a couple items that seem to be similar. Smooth and polished on one side and rough and gritty on the other. I can’t remember how I came to this conclusion but I ultimately came to think of them as bridle rosettes.