Sale 1:

Sold with:

Pro. Aussie Sniper Rifle (38)

FT Energy Orb Turbine Torcher (27)

Pro. Aussie Axtinguisher (9)

~8 keys in pyro items (8)

~6 keys in Pro. KS Kits (6)

For:

It's a Mystery to Me Prehistoric Pullover (240)

http://www.tf2outpost.com/trade/27374671

http://backpack.tf/profiles/76561198086864215?time=1446710400&compare=1446969600 (Seller)

http://backpack.tf/profiles/76561198005326638?time=1446883200&compare=1446969600 (Buyer)

X + (38 + 27 + 9 + 8 + 6) = 240

X + 88 = 240

X = 152

Rounding to 150

Normally, a sale like this should be used to price the pullover, but due to lack of sales on the Cold Killer, this should be fine here.

Turbine Torcher Mini:

Sold for Max's Head (27)

http://backpack.tf/profiles/76561198060407903?time=1446361200&compare=1446537600

Pullover mini: Taken directly from MaGenta's suggestion here: http://backpack.tf/vote/id/565d932adea9e9486e7f78ba

Sold with:

Isotope Woodsy Widowmaker SMG (Well Worn)

Australium Black Box

For:

Circling Heart Pyromancer's Mask (150)

Green Energy Brainiac Hairpiece (160)

http://www.tf2outpost.com/trade/27410367

http://backpack.tf/profiles/76561198189968781?time=1447228800&compare=1447315200

X + 42 = (150 + 160)

X = 268

Capped by B/O of 250

Seller at 230 for 1 month:

http://www.tf2outpost.com/trade/27358687

Going with 230-250 for the Pullover

Mini-mini on SMG:

None. They're all Bulk sales, it seems.

One on classifieds for 24 keys for +1 month. SMG is no more than 24.

Rather lazy mini, but it's the best I can do right now.

X = 24

Sale 2:

Sold with:

Pro. Aussie Sniper (38)

FT Energy Orb Turbine Torcher (27)

For:

Frostbite War Pig (155)

No outpost link available

http://backpack.tf/profiles/76561198086864215?time=1447142400&compare=1447228800 (Seller)

http://backpack.tf/profiles/76561198125791160?time=1447142400&compare=1447228800 (Buyer)

X + 38 + 27 = 150

X = 85

I feel as if this sale is too low, and it would be best to exclude it from the range.

Only valid sales that I could find.

Someone else take over. I'm closing this.