These are pretty amazing tires, but I have Compass tires on my road bike as well and I don't plan on taking the knobbies off my MTB anymore so I am selling these. They have about 500 km on them, virtually new condition.
They cost 84 USD per piece new and shipping is 50 USD, hence the high asking price. Indeed they are probably the most expensive tires you will ever run! But your MTB will roll with the road bikes and then take off into the woods with these, quite astonishing.