What is this ?

Metal Defector

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I found this at the sight of an old infirmary in Hamilton Ohio. Any one have any thoughts on what it might be? Kind of looks like a cuff link but why would it have a date on it? It looks like black onyx stone.
 

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Blackfoot58

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View attachment 2069774 I found this at the sight of an old infirmary in Hamilton Ohio. Any one have any thoughts on what it might be? Kind of looks like a cuff link but why would it have a date on it? It looks like black onyx stone.
I saw on line Masonic cuff links with nov. 1875 patent mark. Very similar. Can you show pic of the other side?
 

Blackfoot58

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I saw on line Masonic cuff links with nov. 1875 patent mark. Very similar. Can you show pic of the other side?
I didn’t get the front pic at first. Not sure why. The back looks like the same cuff link style, but with a different designed front. Possibly they patented the cuff link body design.
 

Red-Coat

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I didn’t get the front pic at first. Not sure why. The back looks like the same cuff link style, but with a different designed front. Possibly they patented the cuff link body design.

If these are the ones you mean, I think the seller has mis-read the patent date:


The date is given as November 10, 1875 but no patents were granted that day. Patents take their date from publication in the Patents Bulletin, which has traditionally been published on a Tuesday. I believe the date is November 16, which was a Tuesday and that both items are using adaptations of the mechanism patented by Williams, Cook & Cline as "Fastenings for Buttons & C", which could be applicable to cufflinks or studs as well as buttons:

convert.png
 

Blackfoot58

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If these are the ones you mean, I think the seller has mis-read the patent date:


The date is given as November 10, 1875 but no patents were granted that day. Patents take their date from publication in the Patents Bulletin, which has traditionally been published on a Tuesday. I believe the date is November 16, which was a Tuesday and that both items are using adaptations of the mechanism patented by Williams, Cook & Cline as "Fastenings for Buttons & C", which could be applicable to cufflinks or studs as well as buttons:

View attachment 2069795
I thought it looked like 16, but was hard to be certain
 

Digger RJ

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creskol

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Is that not a type of Collar Stud? Looks like it.
Could be I guess, although they call it a button.
I generally think if collar studs as being smaller. This one is a little over an inch in diameter. However, I am not well versed on the subject at all.
 

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