http://www.tf2outpost.com/trade/8258282 - b/o 1.3 buds; ; sold for white bills + black v. tossle + s. sapper.

http://www.tf2outpost.com/trade/8300188 - bought above hat, look at historys

http://www.tf2outpost.com/trade/8195322 - look like 1:1 with logo grimm (1.2 buds in unusuals, outdated price.)

http://www.tf2outpost.com/trade/8167517 - b/o 1.1, sold for atleast a bud. (see history of a buds he later had up)

Conclusion: low end based off the 28 key item overpay, high end based off of grimm 1:1 and potential 1.1 sale.