Counter suggestion.

Sale #1(Outlier)

http://www.tf2outpost.com/trade/19164372

Sold for ~7.5 keys in items.

Backpack of seller

http://backpack.tf/profiles/76561198055364493?time=1397199600 Before

http://backpack.tf/profiles/76561198055364493?time=1397304090 After

Backpack of buyer

http://backpack.tf/profiles/76561198126916467?time=1397199600 Before

http://backpack.tf/profiles/76561198126916467?time=1397318463 After

Total: ~8 keys

Sale #2

http://www.tf2outpost.com/trade/19325139

Sold for Stately Steel Toe Phosphorous(1.05 * 0.9 = ~1 buds)+ 10 keys

Backpack of seller

http://backpack.tf/profiles/76561198046574336?time=1397718000 Before

http://backpack.tf/profiles/76561198046574336?time=1397952503 After

Backpack of buyer

http://backpack.tf/profiles/76561198019118556?time=1397804400 Before

http://backpack.tf/profiles/76561198019118556?time=1397965302 After

Total: ~1.5 buds

Sale #3

http://www.tf2outpost.com/trade/19829080

Sold for Terror-Watt Minnesota Slick(1.75 * 0.9 = ~1.6 buds)

Backpack of seller

http://backpack.tf/profiles/76561198060912158?time=1400223600 Before

http://backpack.tf/profiles/76561198060912158?time=1400310000 After

Backpack of buyer

http://backpack.tf/profiles/76561198112591184?time=1400223600 Before

http://backpack.tf/profiles/76561198112591184?time=1400310000 After

Total: ~1.6 buds

Sale #4(Calling this an outlier)

http://www.tf2outpost.com/trade/19853246

Sold for ~12.3 keys in items

Backpack of seller

http://backpack.tf/profiles/76561198112591184?time=1400223600 Before

http://backpack.tf/profiles/76561198112591184?time=1400310000 After

Backpack of buyer

http://backpack.tf/profiles/76561198065915351?time=1400310000 Before

http://backpack.tf/profiles/76561198065915351?time=1400473675 After

Total: ~12 keys

Sale #5

http://www.tf2outpost.com/trade/19911804

Sold for Wraith Wrap Dead Presidents(2.75 * 0.9 = ~2.5 buds)

Backpack of seller

http://backpack.tf/profiles/76561198080091915?time=1400396400 Before

http://backpack.tf/profiles/76561198080091915?time=1400914800 After

Backpack of buyer

http://backpack.tf/profiles/76561198107489405?time=1400655600 Before

http://backpack.tf/profiles/76561198107489405?time=1400818070 After

Total: ~2.5 buds. However, since the seller's b/o is 1.5 buds. Taking 1.5 buds as the price.

Invalid sales due to unpriced hats and unable to identify content of sales

Sale #6

http://www.tf2outpost.com/trade/19140415

Traded this + Aces High Milk man for ?

Backpack of seller

http://backpack.tf/profiles/76561198062904644?time=1397026800 Before

http://backpack.tf/profiles/76561198062904644?time=1397199600 Ater

Backpack of buyer

http://backpack.tf/profiles/76561198055364493?time=1397026800 Before

http://backpack.tf/profiles/76561198055364493?time=1397248833 After

Sale #7

http://www.tf2outpost.com/trade/19943437 b/o 1 bud. Using this as low end.

Can't identify content of sale.

Sale #8

http://www.tf2outpost.com/trade/20135198

Cant identify content of sale.

Sale #9

http://www.tf2outpost.com/trade/19330012

Traded this + Gentleman's Ushanka Aces High (Not priced) for Company Man Circling Peace Sign

Sale #10

http://www.tf2outpost.com/trade/19164837

Can't identify the sale

Sale #11

http://www.tf2outpost.com/trade/19165274

Sold for Hermes Terror-Watt(Not priced)

Mini suggestion

Stately Steel Toe Phosphorous

1. http://www.tf2outpost.com/trade/19331736 Sold for Detective Noir Orbiting Fire (1 bud)

2. http://www.tf2outpost.com/trade/19199819 Sold for Milkman Steaming(1.25 * 0.9 = ~1.1 buds)

A range of 1-1.1 buds. Taking 1.05 buds as mini suggestion price.