Sale #1

http://www.tf2outpost.com/trade/18484327

Sold for ~10 keys in items

Backpack of seller

http://backpack.tf/profiles/76561198081968887?time=1397113200 Before

http://backpack.tf/profiles/76561198081968887?time=1397199600 After

Backpack of buyer

http://backpack.tf/profiles/76561198085392349?time=1397113200 Before

http://backpack.tf/profiles/76561198085392349?time=1397251620 After

Total: ~10 keys

Sale #2

http://www.tf2outpost.com/trade/19319429

http://www.tf2outpost.com/trade/19232841

Sold for 12 keys pure.

Couldn't trace the backpack history of this but the buying thread does show that the buyer is interested in the 12 keys offer.

Total: ~12 keys

Invalid sales due to unable to identify the sale

Sale #2

http://www.tf2outpost.com/trade/19147662

can't identify the sale

Backpack of seller

http://backpack.tf/profiles/76561198085392349?time=1397113200 Before

http://backpack.tf/profiles/76561198085392349?time=1397251620 After

Backpack of buyer

http://backpack.tf/profiles/76561198068174058?time=1397199600 Before

http://backpack.tf/profiles/76561198068174058?time=1397331198 After