This hat is weird.

Sellers:

http://www.tf2outpost.com/trade/24134731 3.3 Buds, young

http://www.tf2outpost.com/trade/23930512 3.1 Buds, 2 Weeks unsold

http://www.tf2outpost.com/trade/23499574 3 Buds, 1 Month unsold

http://www.tf2outpost.com/trade/24036503 2.75 Buds, 1 Week unsold

http://www.tf2outpost.com/trade/24074898 2.4 Buds, young

http://www.tf2outpost.com/trade/24083628 2.4 Buds, young

Solds:

Sold for a Kill-a-Watt Pom-Pomed Provocateur(0.9 with Overpay)( http://backpack.tf/vote/id/548f5e38b88d881e158b49c2 )

http://backpack.tf/profiles/76561198114402400?time=1413356400 -> http://backpack.tf/profiles/76561198114402400?time=1413442800

Sold for a Green Confetti Whoopee Cap(1.2 with Overpay) and Lime Essential Accessories(~1.5)(1.3 Total)

http://backpack.tf/profiles/76561198067276565?time=1412751600 -> http://backpack.tf/profiles/76561198067276565?time=1412838000

Sold for 34 Keys(2.7)

http://backpack.tf/profiles/76561198074945991?time=1418457600 -> http://backpack.tf/profiles/76561198074945991?time=1418650719

Sold for a Purple Energy Magistrate's Mullet(2 with Overpay)

http://backpack.tf/profiles/76561197988350249?time=1414825200 -> http://backpack.tf/profiles/76561197988350249?time=1414911600

Sold for 48 Keys(3.8, Outlier)

http://backpack.tf/profiles/76561198030356431?time=1415779200 -> http://backpack.tf/profiles/76561198030356431?time=1415952000

http://www.tf2outpost.com/trade/23498559

Sold for a Terror-Watt Thirst Blood(2.3 with Overpay)

http://backpack.tf/profiles/76561198084356399?time=1413788400 -> http://backpack.tf/profiles/76561198084356399?time=1413874800

Sold for a Massed Flies Thirst Blood(1.8 with Overpay)

http://backpack.tf/profiles/76561198084356399?time=1413961200 -> http://backpack.tf/profiles/76561198084356399?time=1414080468

Added a Vintage Bill's(1.3 with Overpay) for a Lv1 Max's(3)(1.7 Total)

http://backpack.tf/profiles/76561198079267574?time=1415989438 -> http://backpack.tf/profiles/76561198079267574?time=1416124800

Sold for a Blizzardy Storm Bonk Boy(2.5 with Overpay)

http://www.tf2outpost.com/item/440,3003537665,451,5 Bonk History

http://www.tf2outpost.com/item/440,3029579978,30093,5 Hive History

Sold for 27 Keys(2.2)

http://backpack.tf/profiles/76561198101265558?time=1413874800 -> http://backpack.tf/profiles/76561198101265558?time=1415523470

Sold for 1 Bud + 7 Keys(1.6)

http://backpack.tf/profiles/76561198101265558?time=1415952000 -> http://backpack.tf/profiles/76561198101265558?time=1416042749

0.9, 1.3, 1.6, 1.7, 1.8, 2, 2.2, 2.3, 2.5, 2.7, 3.8. Decided to make -1.6 and +2.5 safe outliers. 1.7-2.3 seems like an appropiate range for this.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.