Traded 4 times on 10 Dec only :D

2 years outdated.

Sale 1

Sold with Buds (1.8 key) + Graybanns (6 ref) + Purity Fist (1.44 ref) for Max's Head (18 keys)

http://backpack.tf/profiles/76561198126599829#!/compare/1481328000/1481414400

X = 18 - 1.8 key - 0.2 key - 0.04 key = ~16 keys

Sale 2

Sold for Steaming Master's Yellow Belt (18 keys)

http://backpack.tf/profiles/76561198120672630#!/compare/1481241600/1481328000

X = 18 keys

Sale 3

Sold with Buds (1.8 key) for Spectral Swirl I see you (20.5 key)

http://backpack.tf/profiles/76561198253177889#!/compare/1481155200/1481241600

X = 20.5 - 1.8 = 18.7 key rounding to 19

Sale 4

Huge outlier

Sold with Spec Ks Australium Force-A-Nature (11 keys according to classies sellers) + Prof Ks Apoco-Fists Kit (2 keys according to SCM)

for Terror-Watt Gilded Guard (25 keys - capped at B/O: http://www.tf2outpost.com/trade/28555140)

http://backpack.tf/profiles/76561198070593964#!/compare/1477094400/1477180800

X = 25 - 13 = 12 keys

Sale 5

Sold for Peace Sign Chieftain's Challenge

http://backpack.tf/profiles/76561198316071886#!/compare/1480377600/1481328000

http://backpack.tf/profiles/76561198217269668#!/compare/1481328000/1481414400

http://backpack.tf/item/967454840

X = 22.5 key rounding to 22

Sale 6

Sold for N&B Soldier's Slope Scopers + 3 keys

http://backpack.tf/profiles/76561198126599829#!/compare/1481241600/1481328000

X=18keys