8 maravedis 1854 BA conterfeit or genuine

According to Krause this coin is unknown as a genuine.


Anybody who knows this coins, and can give me a tip.
(BA =Barcelona)

 

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Info from Numista website ...

https://en.numista.com/catalogue/pieces4402.html

1853 BA Barcelona,Cal#468
1854 BA Barcelona,Cal#469
1855 BA Barcelona,Cal#470

 

Thank you.
My coin:
Weight 10.67 gram
Diameter: 29,6 millimeter
Thicknes: 2 millimeter

 

Aureo & Calicó S.L. has auctioned off some specimens, and they were not offered as fake pieces, or reproductions. Maybe you can contact them and get better information?

https://www.numisbids.com/n.php?p=sale&sid=1265&cid=&pg=0&so=2&search=bc

 

Thank you !!
After I have looked at sevral auctiens I think the weight and diameter varies on this old copper coins. I intend to keep the coin in my Collection, and now I consider it as genuine despite of Krause