I'm dumb. Credits to chun #hail pyro _(:з」∠)_ for Sales 3 and 4.

http://backpack.tf/item/4092967116

Sale 1) Sold for a Burning Flames Slope Scopers + 25 Keys

http://backpack.tf/profiles/76561198055351303#!/compare/1471132800/1471737600

http://www.tf2outpost.com/trade/28414568 - Capped by the Buyout of 180 Keys

http://backpack.tf/item/4093139712

Sale 2) Sold for a Terror-Watt Killer Exclusive + Terror-Watt Federal Casemaker + Purple Confetti Towering Pillar of Hats

http://backpack.tf/profiles/76561198080253538#!/compare/1471305600/1471392000

http://www.tf2outpost.com/trade/28416846 - Capped by the Buyout of 180 Keys

http://backpack.tf/item/4470213382

Sale 3) Sold for a Cloudy Moon Dr's Dapper Topper (203 Keys) + 15 Keys

http://backpack.tf/profiles/76561198005694781#!/compare/1475884800/1475971200

Sale 4) Sold for a Circling Hearts Rotation Sensation (136.5 Keys) + Professional Killstreak Australium Scattergun (~33.5 Keys) + ~16 Keys in Items

http://backpack.tf/profiles/76561198155066949#!/compare/1475884800/1475971200

136.5 + 33.5 + 16 = 186 Keys

Given this one is Unsold at 185 Keys for 15 Days, I'll use Sale 3 for the Dapper.

http://imgur.com/a/QM4d9