Re-suggesting, because the value of a hat, included in the past suggetion as proof has been just updated.

Old suggestion: http://backpack.tf/vote/id/525681fc4dd7b89d498b4568.

Copypaste:

Conservative bump. 2 months old price. Overpriced as hell – currently over Sunbeams and almost equal Burning.

http://www.tf2outpost.com/trade/14694202 Puddington SOLD it for 5 pure (1 week old) - low end

http://www.tf2outpost.com/trade/14808789 7 Pure (5 days, no offers)

http://www.tf2outpost.com/trade/14775854 SOLD for Stormy Muffs (5.2 after overpay)

http://www.tf2outpost.com/trade/12640199 SOLD for this http://www.tf2outpost.com/trade/14838432 Overpay applied. Bubbling Phantom (1.8) + Smoking Billycock (0.9) + Peace Billycock (1.3) + SF Knife (1) + SF Amby (0.3) + S Sapper (0.3) = 5.6 after overpay - High end