D. J. KHALED

http://backpack.tf/item/2727353462

Sale 1) Sold + ~2 Keys in Items for a Sulphurous Hermes

http://backpack.tf/profiles/76561197996095002#!/compare/1480723200/1480809600

High Outlier.

http://backpack.tf/item/3736419924

Sale 2) Sold + Amaranthine Waxy Wayfinder (33 Keys) + 5 Keys for an Electrostatic Exquisite Rack (88 Keys)

http://backpack.tf/profiles/76561198116262699#!/compare/1481328000/1481414400

88 - 33 - 5 = 50 Keys

Sale 3) Sold for a FT Cool Forest Fire Flame Thrower (35.5 Keys) + Green Confetti Prussian Pickelhaube (18 Keys) + ~5 Keys of Items

http://backpack.tf/profiles/76561198136367640#!/compare/1482019200/1482105600 - Buyer's Backpack

http://www.tf2outpost.com/trade/28667241 - Capped by the Buyout of 50 Keys

http://backpack.tf/item/4209917860

Sale 4) Sold for a Cloudy Moon Handyman's Handle (31.5 Keys) + Terror-Watt Heer's Helmet (22 Keys) + 1 Key

http://backpack.tf/profiles/76561198173378059#!/compare/1479945600/1480032000

31.5 + 22 + 1 = 54.5, which rounds to 55 Keys

Handle Mini

http://backpack.tf/suggestion/586a2d23e33877669768a0ab - Taking 28 - 35 Keys, eliminating the 3 highest/lowest sales

The large range averages to about the same as this (0.5 Keys off), so it shouldn't matter.

Sale 5) Sold for a Haunted Ghosts Cloud Crasher

http://backpack.tf/profiles/76561198136301073#!/compare/1479945600/1480032000

http://www.tf2outpost.com/trade/28627601 - Capped by the Buyout of 53 Keys

http://backpack.tf/item/5394016795

Sale 6) Sold for a Purple Confetti Dr's Dapper Topper (45 Keys)

http://backpack.tf/profiles/76561198088742736#!/compare/1484697600/1484784000

Dapper Mini

http://backpack.tf/profiles/76561198053252981#!/compare/1482019200/1482105600 - Sold for a Sunbeams Big Elfin Deal (40 Keys) + 5 Keys