Let's try this again, shall we?

http://www.tf2outpost.com/trade/12175920

Offers:

GBH Hoodie ~5

3.5 pure collecting

Misty Skull 1:1 ~3,2 (mid range)

Sells:

http://www.tf2outpost.com/trade/12557743 Owner of this trade claimed he paid around 3 a while back, but since then I couldn't get that verified, and he is ignoring me on Steam.

http://www.tf2outpost.com/trade/12557743 http://puu.sh/3IF3M -Sold for Scorching Sack + 1 bud ~3 buds

http://www.tf2outpost.com/trade/12947309 http://puu.sh/3JYpn -Sold for Power Surge Brain Slug, he added a V. BIlls (no price for brain slug)

Conclusion: This hat has been shown to be sold for 3 and has had offers of above 3. Gifted apparently has no effect, as the demand seems to be the same on both clean and gifted.