Mystery item's

[USMC18]

Hello everyone, I haven't posted on here in a while. I went out detecting today at an old farm site in the woods that dates back to the mid to late 1800s. I have two items that I wish to identify. One is what looks to be a very worn copper coin. I can't seem to get any detail off it at all. The other item looks to be a tag of some sort. In the middle is a shamrock with "NO. 130 written inside it. On the left side it says "U.S. patent Sept 27 1892" and on the right it says the same thing but the date is June 7th 1890. If anybody can identify these items it would be greatly appreciated.

 

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[Johncoho]

I've had some luck on really bad coppers with lemon juice and a brass brush. You may be able to identify it that way. By the way it looks, you won't hurt it by trying this method.

 

[vpnavy]

..: Moved from Today's Finds! over to Forum: What Is It? for more exposure :..​

 

[diggummup]

I think it's part of a fruit can or jar, us patent number 483415, barnhart John M., Marshfield, Pa. though I can't find a patent drawing to prove it. All patents issued on Set. 27, 1892, there are many...
https://books.google.com/books?id=u...arnhart sept 27, 1892 fruitcan or jar&f=false

 

[nhbenz]

It is part of a Clover harmonica. The second date patent year is 1898, rather than 1890.
One is shown here: PressReader.com - Connecting People Through News

 

[USMC18]

That sounds about right. Not sure what part of the harmonica it came from though. Thanks!

 

[USMC18]

I will give it a try. Thanks!

 

[USMC18]

I scrubbed the coin with lemon juice and used a brass brush. I can now make out a head that's facing right. Any ideas?

 

[Back-of-the-boat]

Maybe a King George III coin not sure of type I have seen a lot of those on here.Not a positive ID not a coin guy.Maybe PM Mackydon knows a lot on coins.

 

[diggummup]

It is part of a Clover harmonica. The second date patent year is 1898, rather than 1890.
One is shown here: PressReader.com - Connecting People Through News

That's a great ID. Good eyes!

That sounds about right. Not sure what part of the harmonica it came from though. Thanks!

The bottom plate I would imagine or what's left of it.