Sale #1

http://www.tf2outpost.com/trade/21092942

Traded this + 8.49 refs in Sweets for Stormy Storm Sober Stuntman(20 keys * 0.9 = ~18 keys)

Backpack of seller

http://backpack.tf/profiles/76561198073136364?time=1404889200 Before

http://backpack.tf/profiles/76561198073136364?time=1406790000 After

Backpack of buyer

http://backpack.tf/profiles/76561198040606573?time=1405062000 Before

http://backpack.tf/profiles/76561198040606573?time=1405211218 After

Total: ~17 keys

Sale #2(Quicksale)

http://www.tf2outpost.com/trade/21264952 b/o 12 keys

Sold for 12 keys?

Sale #3

http://www.tf2outpost.com/trade/21387520

Sold for Green Confettti Stove Pipe(19.5 * 0.9 = ~18 keys) + 2 keys

Backpack of seller

http://backpack.tf/profiles/76561197968894490?time=1405894387 Before

http://backpack.tf/profiles/76561197968894490?time=1405926000 After

Backpack of buyer

http://backpack.tf/profiles/76561198060458887?time=1405926000 Before

http://backpack.tf/profiles/76561198060458887?time=1406012400 After

Total: 20 keys

Sale #4

http://www.tf2outpost.com/trade/21535764 b/o 18 keys

Traded this + 7 refs for Dead Presidents Shooter's Sola Topi(1.25 buds * 0.9 = ~1.1 buds)

Backpack of seller

http://backpack.tf/profiles/76561198076436212?time=1406271600 Before

http://backpack.tf/profiles/76561198076436212?time=1406358000 After

Backpack of buyer

http://backpack.tf/profiles/76561198064084965?time=1406271600 Before

http://backpack.tf/profiles/76561198064084965?time=1406417163 After

Total: ~1.1 buds. However, seller's b/o is 18 keys. Taking 18 keys as price.

Invalid sales

Sale #1

http://www.tf2outpost.com/trade/21081396

Can't identify sale

Sale #4

http://www.tf2outpost.com/trade/21519957

Can't identify sale

Current seller

http://www.tf2outpost.com/trade/21537642 b/o 16 keys