These coins are mined directly to the coins address and are fresh unmoved coins and this is a whole block. What mining pools sell this service?
but it doesn't explain a 5btc bounty

This is a rare item and I think it will sell. If the premium is too high he won't sell them and will lower the premium. He is even offering to auction one here for the community to bid on with NO RESERVE. I think you all sound like a bunch of whiners.
Put your money where your mouth is.