This is low imo but I guess it's inevitable.

Sold for a Blizzardy Storm Prince Tavish's Crown(1 with Overpay), a SF Spec KS Grenade Launcher(~7 Keys), a Strange Festive Spec KS Stickybomb Launcher(~14.5 Keys), a SF Spec KS Eyelander(~3 Keys), and a SF Spec KS Chargin' Targe(~1.5 Keys)(~23 Keys with Overpay total)(2.8 Total)

http://backpack.tf/profiles/76561198062594324?time=1422345600 -> http://backpack.tf/profiles/76561198062594324?time=1422573386

http://www.tf2outpost.com/trade/24741153

Sold for a Green Energy Lord Cockswain's Pith Helm(2.4 with Overpay) and a Stormy Storm Helmet Without A Home(0.9 with Overpay)(3.3 Total)

http://www.tf2outpost.com/trade/24866838

Sold for a Flaming Lantern Towering Pillar of Hats(4.2 with Overpay)(B/O was 4)

http://backpack.tf/profiles/76561198113488534?time=1423296000 -> http://backpack.tf/profiles/76561198113488534?time=1423413110

http://www.tf2outpost.com/trade/24985877

Sold for a Bubbling Soldier's Stash(2.7 with Overpay) and 5 Keys(3.1 Total)

http://backpack.tf/profiles/76561198078915295?time=1423522535 -> http://backpack.tf/profiles/76561198078915295?time=1423555200

Added 1 Bud for a Circling Heart Ye Olde Baker Boy(4 with Overpay) and 4 Keys(3.3 Total)

http://backpack.tf/profiles/76561198121890168?time=1424073600 -> http://backpack.tf/profiles/76561198121890168?time=1424204515

Making 2.8 and 4 the safe outliers here(the 2.8 sale would be worth more if it was done today anyways), 3.1-3.3 should be fine.

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