Konstantin,
I find it difficult to answer this question - the initial price set by an auctioneer, and only people in the hall is traded. Or not traded.
I have two thousand it would not have sold. Although, on the other hand - for 20 thousand (by estimate), just would not have bought
At Urengoi picture, incidentally, a remarkable inscription on the back side (this sketch to the big picture): "Agreed, but add 2 tree in the middle." Evidently, the customer was not enough planting village.