The Brown Hype..

http://backpack.tf/item/270187952

Sale 1) Sold for a Cauldron Hotrod (26) + Ghosts Scotch (18) + 1 Bud (3) + 1 Key of Items

http://backpack.tf/profiles/76561198121132234?time=1439017200&compare=1438930800

30 * 0.9 = 27 + 18 = 45 Keys

Scotch Mini

http://backpack.tf/profiles/76561198121132234?time=1439362800&compare=1439276400 --- Sold for a Planets Brigade (12.5) + 7 Keys

12.5 * 0.9 = ~11 + 7 = 18

Sale 2) Sold for a Max's Head (28 Keys)

http://backpack.tf/profiles/76561198043820474?time=1439190000&compare=1439276400

Sale 3) Sold + FT Strange Red Roscoe Pistol (~10) for a Smoking TC (~40)

http://backpack.tf/profiles/76561198117484140?time=1439362800&compare=1439276400

40 - 10 = 30 Keys

Sale 4) 27 Keys

http://backpack.tf/profiles/76561198009377674?time=1443942000&compare=1444287600

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Counting 45 as an Outlier