What’s this copper?

[Finster]

I found this about 7 years ago and have absolutely no idea what it is. Ideas?

 

[Chroma]

My guess is Irish halfpenny from the the 1700s.

Examples:

½ Penny - George III, Ireland

Detailed information about the coin ½ Penny, George III (short bust type), Ireland, with pictures and collection and swap management: mintage, descriptions, metal, weight, size, value and other numismatic data

en.numista.com

½ Penny - George III, Ireland

Detailed information about the coin ½ Penny, George III (long bust type), Ireland, with pictures and collection and swap management: mintage, descriptions, metal, weight, size, value and other numismatic data

en.numista.com

½ Penny - George III, Ireland

Detailed information about the coin ½ Penny, George III, Ireland, with pictures and collection and swap management: mintage, descriptions, metal, weight, size, value and other numismatic data

en.numista.com

Could also be a counterfeit "evasion" halfpenny

O’Brien Coin Guide: Irish Evasion Halfpennies (1770s to the 1790s)

Introduction These coins are contemporary counterfeits and most of them were produced between 1782-1799, although some ‘dates’ are significantly earlier (and there is a good reason for this). They …

oldcurrencyexchange.com

Or could be an early 1800s Irish penny:

1 Penny - George III, Ireland

Detailed information about the coin 1 Penny, George III, Ireland, with pictures and collection and swap management: mintage, descriptions, metal, weight, size, value and other numismatic data

en.numista.com

1 Penny - George III, Ireland

Detailed information about the coin 1 Penny, George III, Ireland, with pictures and collection and swap management: mintage, descriptions, metal, weight, size, value and other numismatic data

en.numista.com

You should be able to tell if it is a halfpenny or a penny by the diameter. The webpages I linked give the diameters.

 

[too_pointer]

Really nice, thanks and congrats.
too_

 

[Saker]

Looking like a half penny to me. Great find. I love the custom stamps, gives it a unique one-of-a-kind flavor.

 

[fastfrank]

Counterstamped worn Hibernian. Very nice

 

[hoser]

Very cool indeed.