I sent emails to the mine (Ardennes) but didn't get any reply's. So I sent an email to Superiorshave.com and got a reply the next day. I asked lots of questions, told him the sizes I were looking for and about the price I wanted to pay and he gave me a recommendation. He explained a bit on the different looks of the stones and the viens that they came from now and in the past.
I was very happy with the customer service in answering my questions and explaining a lot. Plus the prices were less than getting direct from the mine. Now for you Coti lovers/collectors, its not marked or said to be from a specific vein.

This is 50mm X 175mm or about 2 X 7 inches. Came with a slurry stone but no box. If I ordered direct I would have gotten a box for it but I didn't need a box. I could have gotten a box for this stone but I didn't really want one. Should be lapped already but I can see it will need the edge beveled still.
Anyway, Here it is wet and dry. Crossing my fingers I did well in choosing as he pointed out a few to choose from.The dry pic has a wet spot in the middle as my hands were wet and that's a finger print. Ha.

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BTW, Its backed with slate or something. Not a BB.