Witness forget his original statement.

Even in protection programs there's no escapement.

Sale #1

Sold for 40 keys

http://www.tf2outpost.com/trade/27860583

http://backpack.tf/profiles/76561198052267968/#!/compare/1456214400/1456300800

http://backpack.tf/profiles/76561198058834083/#!/compare/1456214400/1456300800

Sale #2

Bulk sale for a Searing Plasma team Captain

http://backpack.tf/profiles/76561198074578593/#!/compare/1455523200/1455696000

http://backpack.tf/profiles/76561198052267968/#!/compare/1455523200/1455696000

Sale #3

Sold for 32 keys

http://backpack.tf/profiles/76561198026194410/#!/compare/1456646400/1456905600

http://backpack.tf/profiles/76561198019112665/#!/compare/1456473600/1456905600

Sale #4

Bulk sale for a Frostbite Law

http://backpack.tf/profiles/76561198044090116/#!/compare/1459814400/1459987200

http://backpack.tf/profiles/76561198143415957/#!/compare/1459814400/1459900800

Sale #5

Sold for 22 keys + ~3 keys worth of sweets

http://backpack.tf/profiles/76561198093263253/#!/compare/1459468800/1459641600

http://backpack.tf/profiles/76561198143415957/#!/compare/1459468800/1459555200

22 + 3 = 25 keys

Sale #6

Sold for a Strange Professional Killstreak Kritzkrieg (~22) + Black Catastrophic Companions (~27.5) + Strange Summer Shades (~9) + ~1.5 keys worth of sweets

http://backpack.tf/profiles/76561198095456954/#!/compare/1457337600/1457424000

http://backpack.tf/profiles/76561198093263253/#!/compare/1457337600/1457424000

22 + 27.5 + 9 + 1.5 = 60 keys

Conclusion:

Sales at 40, 32, 25, and 60 keys. Removing the high and low outliers; taking 32-40 keys as the new price.

Additional/Supportive and Counter Evidence is always appreciated.

Discovery out ヽ༼ຈل͜ຈ༽ﾉ