Thanks Surz. and |UK| The Mighty Bob Mobile ✔ for helping out.

Sale #1 - Sold for 12 keys

http://www.tf2outpost.com/trade/27658031

https://backpack.tf/profiles/76561198089922529?time=1451635200&compare=1451721600

Sale #2

http://www.tf2outpost.com/trade/27658094 b/o 14 keys

https://backpack.tf/profiles/76561198232702608?time=1452067200&compare=1452153600 (sold for Orbiting Fire Big Country)

Mini for Orbiting Fire Big Country

http://www.tf2outpost.com/trade/27675618 b/o 14 keys

https://backpack.tf/profiles/76561198232702608?time=1452240000&compare=1452326400 (sold for Blizzardy Storm Gym Rat (~13 Keys)+26 Refined (~1.4 Keys)+Rancho Relaxo (~8.83 ref)+Vintage Fosters Facade (1.33 ref)

Taking middle price from Blizzardy Storm Gym Rat

https://backpack.tf/vote/id/5687f7a8ba8d88356fa94b90

13+1.4+(8.83+1.33) = 14.4+0.5 = 14.9 (capping at b/o 14 keys)

Sale #3 - Quicksold for 9 keys

http://www.tf2outpost.com/trade/27670263

http://imgur.com/WsiNTQ2

Not using it.

I don't do price suggestions for unusual items,so this suggestion is probably awful,but worth a try.