This is a really peculiar hat.

Sold for a Circling Peace Sign Killer's Kabuto(29 Keys with Overpay) and an Australium Pro KS Wrench(30 Keys with Overpay)(59 Keys total)

http://backpack.tf/profiles/76561198111977118?time=1432364400 -> http://backpack.tf/profiles/76561198111977118?time=1432450800

http://www.tf2outpost.com/trade/26021933

Sold with ~5 Keys in Sweets for a Duped Green Energy Industrial Festivizer(46 Keys with Overpay)(41 Keys total)

http://backpack.tf/profiles/76561198089815020?time=1434697200 -> http://backpack.tf/profiles/76561198089815020?time=1434783600

Duped Green Energy Industrial Festivizer mini suggestion

Sold for a Green Energy Officer's Ushanka(44.5 Keys with Overpay) and a Genuine Horace(6.5 Keys with Overpay)(51 Keys total)

http://backpack.tf/profiles/76561198135748031?time=1436857200 -> http://backpack.tf/profiles/76561198135748031?time=1436943600

Using 51.

Australium Pro KS Wrench mini suggestion

http://i.imgur.com/a6nqr2H.png

2 Sellers on Classifieds at 33 Keys, 3 Buyers on Classifieds at 31+ Keys.

Can't get sales on the Steam Market since there's no Pro KS Aussie Wrench being sold there currently.

Using the sellers' end, 33.

Two sales, 41-59 Keys should be fine.

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