I made some edits based on past suggestions:

Classifieds:one at 40 keys

Sale 1: Sold for 39 keys pure. (He most likely bought the strange pan in between that time frame) backpack from before : http://backpack.tf/profiles/76561198096648068?time=1425970800

After: http://backpack.tf/profiles/76561198096648068?time=1426316400

The actual Trade on OP : http://www.tf2outpost.com/trade/24760815

Sale 2: Sold for a orbiting fires killer exclusive

Backpack from before: http://backpack.tf/profiles/76561198032397108?time=1426057200

Backpack from after from after: http://backpack.tf/profiles/76561198032397108?time=1426402800

Killer exclusive mini. Sold for a smissmass caribou backpack before: http://backpack.tf/profiles/76561198059653294?time=1426057200

backpack after: http://backpack.tf/profiles/76561198059653294?time=1426230000

*note the keys are not from the same person judging from history*

So 40*.9=36 (caribou was 40 keys at the time)

*edit*Another mini on the killer exclusive Sold for an aussie sticky bomb launcher+aussie grenade launcher.

Bp before: http://backpack.tf/profiles/76561197974841166?time=1426143600

Bp after: http://backpack.tf/profiles/76561197974841166?time=1426316400

(22+20)*9=37 (Grenade was 22 keys at that time. Sticky was 20)

Please leave any constructive criticism. Would love it.