1810 1 Kopeck - Aleksandr I KM# Pn77

I'm new to the forum but I often check the website for coins. I came across this coin recently. Can someone help me identify it? I searched Google for 1810 Kopek coins and found a link that goes to a book: Standard Catalogue World Coins 1801-1900 9ed By T. Michael. It looks like the Pn77 kopek. I tried to take high resolution photos of both sides. Could it be counterfeit?

Welcome to Numista. One way to help authenticate a coin is to provide as much information on it as possible including weight, diameter, and composition. Having said that there are many types of these as seen in the link provided. Yours appears to be KM# Pn77.

Edit. Sorry. Once again having difficulty attaching a link here. I will keep trying.

https://www.ngccoin.com/price-guide/world/russia-kopek-km-pn77-1810-cuid-1096016-duid-1541893

https://en.numista.com/catalogue/pieces228350.html

https://www.ngccoin.com/price-guide/world/search/1/?country=RUSSIA&region=All+Regions&denom=Kopek&date=1810&catalogInitials=&catalogNumber=

Thank you. It's about 28 mm.



Here is a 2021 US Quarter for comparison.



My scale says it weighs 9 grams.



The quarter weighed about 5.5 grams.

I can't say for certain but on the face of it, I see nothing wrong with the example you have. Lets see what our Russian experts think.

Citeer: "harryg"​I can't say for certain but on the face of it, I see nothing wrong with the example you have. Lets see what our Russian experts think.

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It's a 200 year old coin (if authentic). I measured it to be 28. It is narrower than other 1810 kopeks by a millimeter and a gram lighter than other varieties. Both could be due to wear? Then again, it is a kitchen scale and my ruler (or eyes) could be inaccurate. haha

The only real problem I see is not know how much Pn77 is supposed to weigh and what the diameter should be. If it is counterfeit, would someone use a more common variety?

Details are scarce so we have to be careful about this. This would be a rather easy example to counterfeit should one be motivated to do so. Does the value warrant taking the trouble to do so? We don't even know a value yet. Approximations will have to do at this point but at roughly 9 grams for a roughly 28mm coin is at least consistent with establishing that it is indeed copper and at least visually, the details look very good compared to the example we are able to see. Looking for a preponderance of the evidence at this stage.