DSH all the way! The true american cat. Russian Blues look very diff, although he has that nice grey color on him. Really, not many people are wanting to drop a few hundred dollars on the purchase of a kitten at minimum, especially when there are sooo many cute ones that are at shelters or on the street or in the newspaper for free. Not a huge amount of people have pure breeds like in dogs, and the chances of one of those kitties being breed to a DSH is not all that high I would not think. Usually there are the spay neuter agreements, or they are breed to another of it's breed. But I love the marking on your kitty, certainly easy on the eyes!