The Peacemaker

https://backpack.tf/item/5076305058

Sale 1) Sold + Stormy Storm Bloke's Bucket Helm + ~9 Keys of Items for a Terror-Watt Anger + ~1 Key of Items

https://backpack.tf/profiles/76561198214699379#!/compare/1507852800/1507939200

Bulk sale.

Sale 2) Sold + 10 Keys for a Tesla Coil Lil' Bitey

https://backpack.tf/profiles/76561198292156436#!/compare/1507939200/1508025600

High Outlier.

Sale 3) Sold for 11 Keys + ~1 Key of Mixed

https://backpack.tf/profiles/76561198053747026#!/compare/1509494400/1509580800

11 + 1 = 12 Keys

https://backpack.tf/item/5314023816

Sale 4) Sold for a Circling Heart Backbiter's Billycock (22.5 Keys)

https://backpack.tf/profiles/76561198044130442#!/compare/1507507200/1507680000

http://www.tf2outpost.com/trade/29371070 - Capped by the Buyout of 13 Keys

Sale 5) Bulk sale for a Roboactive Brigade Helm

https://backpack.tf/profiles/76561198117522318#!/compare/1507939200/1508025600

Sale 6) Sold for 9 Keys

https://backpack.tf/profiles/76561198175909686#!/compare/1507939200/1508025600 - Seller's Backpack

https://backpack.tf/profiles/76561198359394527#!/compare/1507939200/1508025600 - Buyer's Backpack

Hats off auctioned his Orbiting Fire Bloke's, which Toast bought for 9 Keys. Then Hats off immediately used those 9 Keys to buy the L'Inspecteur

Low Outlier.