Seems a bit high, but eh

Sale #1

Sold for a Beams Backbiter's Billycock (~49, mini below)

http://www.tf2outpost.com/trade/26929533

http://backpack.tf/profiles/76561198179373811?time=1440918000&compare=1441090800

49 * .9 = 44 keys

Beams Billycock mini

Sold for 49 keys

http://www.tf2outpost.com/trade/26822278

http://backpack.tf/profiles/76561198071533665?time=1440226800&compare=1440313200

Sale #1

Sold for a Duped V. Plasma Sgt's Drill Hat (~50, mini below)

http://www.tf2outpost.com/trade/26916175

http://backpack.tf/profiles/76561198046703029?time=1440658800&compare=1441427747

50 * .9 = 45 keys

Duped V. Plasma Drill Hat mini

Sold for a KaW Kiss King (~56)

http://backpack.tf/profiles/76561198052897861?time=1440399600&compare=1440313200

56 * .9 = 50 keys

Sale #3

Sold for a Black Max Head (~34 at the time) + 6 keys

http://www.tf2outpost.com/trade/26434592

http://backpack.tf/profiles/76561198146610612?time=1439190000&compare=1439622000

34 + 6 = 40 keys

Sale #4

Sold for 34 keys, qs

http://www.tf2outpost.com/trade/25770231

http://backpack.tf/profiles/76561198146610612?time=1435993200&compare=1435906800

Sale #5

Sold for an O.F. Bonk Boy (~30)

http://backpack.tf/profiles/76561198057076360?time=1440658800&compare=1440745200

30 * .9 = 27 keys, outlier

Conclusion:

Sales at 27, 34, 40, 44, 45. Sale at 34 was a quicksale, anything below that is logically an outlier

Additional/Supportive and Counter Evidence is always appreciated.

Discovery out ヽ༼ຈل͜ຈ༽ﾉ