Stare from Beyond Metal Slug:

Sale 1:

Sold for Burning Steel Toe

http://www.tf2outpost.com/trade/27730276 - No B/O

Seller: http://backpack.tf/profiles/76561198203978028?time=1453881600&compare=1453795200

Buyer: http://backpack.tf/profiles/76561198164704162?time=1453708800&compare=1453881600

X = 34.5

Rounding to 35

Steel Toe Mini:

http://backpack.tf/vote/id/56c2a43bb98d88897e2105f8

Sale 2:

Sold for Haunted Ghosts Oiled Baker Boy

No outpost link available

Seller: http://backpack.tf/profiles/76561198164704162?time=1454140800&compare=1454054400

Buyer: http://backpack.tf/profiles/76561198085269574?time=1454054400&compare=1454140800

Can be used to price the Baker Boy, as there are no valid sales on the thing.

At this point, the same item was traded at least 3 times in the same day, making the sales difficult to trace

Sale 3:

Sold for Dead Presidents Thirst Blood + Atomic Universal Translator

http://www.tf2outpost.com/trade/27781318 - B/O of 33 keys

Seller: http://backpack.tf/profiles/76561198085269574?time=1454400000&compare=1454313600

Buyer: http://backpack.tf/profiles/76561198122707953?time=1454400000&compare=1454313600

X = 33 keys (capped by B/O)

Sale 4: Not using

Unable to trace this sale. It looks to be a bulk sale, but near ID suggests that it was not.

No outpost link available

Seller: http://backpack.tf/profiles/76561198048610662?time=1454400000&compare=1454313600

Buyer: http://backpack.tf/profiles/76561198057843078?time=1454313600&compare=1454400000

Sales at:

33

35

Going with 33-35