I've seen examples of this rifle at SCI for a couple of years. A fascinating idea, very clever enginering and fabulously made (leave aside the engraving which on this pair is exquisite in my view) It is not in any way traditional (and my other doubles in the safe would snub it), but I suspect that the early 1900's best rifle makers might have tried something like this if they had the technology / metalurgy. If I could get one in controlled round feed and in a 458, I might be a buyer.