I bought one for 41 keys on sept 18, more recent than the one that was accepted. Not sure if its a conflict of interest or not.

35 keys pure

http://backpack.tf/profiles/76561198059667511?time=1438066800 (July 28th)

http://backpack.tf/profiles/76561198059667511?time=1438153200 (July 29th)

http://backpack.tf/profiles/76561198059667511?time=1438066800&compare=1438153200

^ Proof from the recently accepted re price. http://backpack.tf/vote/id/5604989dba8d88d2168b45a1

http://backpack.tf/profiles/76561197961085576?time=1442473200 (Sept 17)

http://backpack.tf/profiles/76561197961085576?time=1442646000 (Sept 18)

http://imgur.com/e116VRd - picture from my trade history

^ My backpack before and after and a trade history picture.

First price attempt, let me know if i need to add / remove / change anything.