Meh.

Sale 1

http://www.tf2outpost.com/trade/25188649 - Sold for a Burning Flames Bonk Leadwear (40*0.9 = 36 keys)

Sale 2

http://www.tf2outpost.com/trade/25724724 - Sold for a Duped Purple Energy Medic's Mountain Cap (39*0.9 = 35 keys)

Mini for the Duped Purple Energy Medic's Mountain Cap

http://backpack.tf/profiles/76561197986391572?time=1429426800 - Bought one for 85$ on SCM (Range value: 30 - 35 keys)

http://www.tf2outpost.com/trade/25529330 - Sold for a Bonzo The All-Gnawing Connoisseur's Cap (53*0.9 = 48 keys)

Before: http://backpack.tf/profiles/76561198052315361?time=1424937600

After: http://backpack.tf/profiles/76561198052315361?time=1425072467

- Sold for a Strange Specialized Killstreak Australium Minigun (29 keys back then) + 4 keys (29*0.9 + 4 = 30 keys)

Feel free to counter / support my proofs