ok i price this.

sale 1: sold with cauldron bubbles one man army[18 keys via mini] for spellbound slick cut[76.5 keys]

http://backpack.tf/profiles/76561198055622215?time=1427958000

http://backpack.tf/profiles/76561198055622215?time=1428044400

76.5*0.9=68.85 rounding to 69

69-18=51

outlier

sale 2: sold with terror watt hot dogger for duped p.energy tavish crown

http://backpack.tf/profiles/76561198050045776?time=1429254000

http://backpack.tf/profiles/76561198050045776?time=1429340400

histories sorta dont match, so wont use this.

sale 3: sold for power surge tsaboosh[22 keys via mini]+14 keys.

http://backpack.tf/profiles/76561198043986991?time=1431154800

http://backpack.tf/profiles/76561198043986991?time=1431241200

22+14=36

mini on tsaboosh: http://backpack.tf/vote/id/557607d3ba8d88f5588b4576

mini on one man army: sold for memory leak ten gallon[17.5 keys]

http://backpack.tf/profiles/76561198114802367?time=1429426800

http://backpack.tf/profiles/76561198114802367?time=1430031600

taking a final price of 36 keys.