I had to make a new suggestion since the the one that made it through was of by around ~60 keys since the trade also included a Flip Knife Doppler (Factory New)

Proof:

http://i.imgur.com/e1yVElu.png

http://i.imgur.com/DKyzWaB.png

http://i.imgur.com/U840bD3.png

So the right number should be (stole the old trade):

Sale #1

http://backpack.tf/profiles/76561198047530947#!/compare/1464048000/1464652800

Sold for Duped Logo Stash (70) + Steaming Larrikin (13) + C9 Infernal (17) + DP Rack (44) + Scorching Mongolian (24) + 57 keys + Strange Pro KS MW Current Event Scatter (33) + Strange Pro KS FT Purple Range (27)

= 285

Minis

Duped Logo Stash

http://www.tf2outpost.com/trade/28218389 -asking 70 keys

DP Rack

http://backpack.tf/suggestion/575c200583de6b6842635ce0 - 44

Scatter

http://steamcommunity.com/market/listings/440/Strange%20Professional%20Killstreak%20Current%20Event%20Scattergun%20%28Minimal%20Wear%29

£41.53 / £36.11 = ~31-35 keys

Rifle

http://steamcommunity.com/market/listings/440/Strange%20Professional%20Killstreak%20Purple%20Range%20Sniper%20Rifle%20(Field-Tested)

£33.65 / £29.26 = 25-29 keys

*Flip Kife Doppler (Factory New)

Sold the knife for 56 keys under a day