Sale 1:

Sold for Sulphurous Fez (36.5) + Tippler’s Tricorne

No outpost

Seller: http://backpack.tf/profiles/76561198053831909#!/compare/1479081600/1479600000

Buyer: http://backpack.tf/profiles/76561198088914482#!/compare/1479340800/1479513600

X = 37

Sale 2:

Sold for 26 keys

http://www.tf2outpost.com/trade/28547854 - B/O of 35

Seller: http://backpack.tf/profiles/76561198102442712#!/compare/1476576000/1476662400

Buyer: http://backpack.tf/profiles/76561198031007256#!/compare/1476576000/1476748800

X = 26

Sale 3:

Bulk for Cloudy Moon Private Eye

Seller: http://backpack.tf/profiles/76561198069881436#!/compare/1476403200/1476489600

Buyer: http://backpack.tf/profiles/76561198102442712#!/compare/1476144000/1476403200

Should be used to update the Private Eye

Buyer at 27 keys:

http://www.tf2outpost.com/trade/28551913

Sellers:

40 keys:

http://i.imgur.com/cRFde36.jpg

http://www.tf2outpost.com/trade/28572469 - 1 month, probably lowered at some point

http://backpack.tf/u/76561198031007256

http://www.tf2outpost.com/trade/28639739 - 3 days

http://backpack.tf/u/76561197998290686

Sales at:

26

37

Buyer at 27 shows 26 is too low. Excluding 26

Going with 37 flat