1751 Luis XV identify mint and value please [επιλυμένο]

With so many mints I am lost, 

.  

A valuation if possible, thank you.

N#27738 

 1751 L 

https://en.numista.com/catalogue/mint.php?id=79 

 Your link goes to a page showing 1742 X so the same 

layout of date and letter shows 1751 top left and L the letter below the design. 

https://www.ngccoin.com/price-guide/world/france-ecu-km-512.12-1741-1771-cuid-1143938-duid-1253064 

ZacUK

 1751 L 

https://en.numista.com/catalogue/mint.php?id=79 

 

 Your link goes to a page showing 1742 X so the same 

layout of date and letter shows 1751 top left and L the letter below the design. 

Thank you very much, obvious now that you explained it, I was looking at the other side and the little animal under Luis, I have learned a lot and thanks again.