Sale 1:

Sold for Purple Confetti White Russian (27)

No outpost

Seller: http://backpack.tf/profiles/76561198252522394#!/compare/1477699200/1477785600

Buyer: http://backpack.tf/profiles/76561198203587900#!/compare/1477699200/1477785600

X = 27

Sale 2:

Sold for Aussie Flamethrower (15) + Aussie Axtinguisher (6.5)

http://www.tf2outpost.com/trade/28532027 - B/O of 21

Seller: http://backpack.tf/profiles/76561198164036774#!/compare/1475971200/1476057600

Buyer: http://backpack.tf/profiles/76561198133360797#!/compare/1476057600/1476144000

X = 21 (capped by B/O)

Sale 3:

Sold for 20 keys

http://www.tf2outpost.com/trade/28448118 - B/O of 20

Seller: http://backpack.tf/profiles/76561198165055074#!/compare/1473033600/1473206400

Buyer: http://backpack.tf/profiles/76561198079471106#!/compare/1473120000/1474156800

X = 20

Sale 4: (dupe)

Sold for DBD Oiled Baker Boy (18) + 9 keys

http://www.tf2outpost.com/trade/28469425 - B/O of 20

Seller: http://backpack.tf/profiles/76561198119936533#!/compare/1473724800/1473897600

Buyer: http://backpack.tf/profiles/76561198188939650#!/compare/1473811200/1473897600

X = 20 (capped by B/O)

Sale 5:

Sold for 19 keys

http://www.tf2outpost.com/trade/28514029 - B/O of 20

Seller: http://backpack.tf/profiles/76561198192602363#!/compare/1475712000/1475798400

Buyer: http://backpack.tf/profiles/76561198067772696#!/compare/1475798400/1475884800 (no better link)

X = 19

Sale 6:

Sold for 18 keys

http://www.tf2outpost.com/trade/28426988 - B/O of 19

Seller: http://backpack.tf/profiles/76561198057112199#!/compare/1476144000/1476230400

Buyer: http://backpack.tf/profiles/76561198083301438#!/compare/1476057600/1476144000

X = 18

Sale 7: (Dupe)

Sold for 17 keys

No outpost

Seller: http://backpack.tf/profiles/76561198112281935#!/compare/1473638400/1473724800

Buyer: http://backpack.tf/profiles/76561198237366642#!/compare/1473724800/1478131200

X = 17

Sale 8:

Sold in less than a day for Spec. KS Aussie Minigun (17)

No outpost

Seller: http://backpack.tf/profiles/76561198067772696#!/compare/1475798400/1475884800

Buyer: http://backpack.tf/profiles/76561198075441620#!/compare/1475798400/1475884800

X = 17

Sale 9:

Sold with 7 keys for Bubbling Brown Bomber

Seller: http://backpack.tf/profiles/76561198079471106#!/compare/1474329600/1474761600

Buyer: http://backpack.tf/profiles/76561198192602363#!/compare/1474329600/1474416000

Should be used to update the Brown Bomber

Sale 10:

Sold for Orbiting Fire Triboniophorus Tyrannus

No outpost

Seller: http://backpack.tf/profiles/76561198133360797#!/compare/1476489600/1476576000

Buyer: http://backpack.tf/profiles/76561197990986202#!/compare/1476403200/1476489600

Should be used to update The Tyrannus

Sale 11:

Sold for Spectral Swirl Battin’ A Thousand

Seller: http://backpack.tf/profiles/76561198156255538#!/compare/1478131200/1478217600

Buyer: http://backpack.tf/profiles/76561198254856540#!/compare/1478217600/1478476800

Should be used to price the Taunt

Sale 12:

Sold for Blizzardy Berliner’s (15) + Orbiting Fire L’Inspecteur (outdated)

No outpost

Seller: http://backpack.tf/profiles/76561198034095893#!/compare/1474416000/1474502400

Buyer: http://backpack.tf/profiles/76561198272006752#!/compare/1473465600/1475366400

This sale would be at least 25 keys, which would be an outlier

Sellers:

17 keys:

http://i.imgur.com/J8SrmJa.png

http://www.tf2outpost.com/trade/28589813

http://backpack.tf/u/76561198010770526

http://i.imgur.com/LjwSUus.png

http://www.tf2outpost.com/trade/28596388

http://backpack.tf/u/76561198214139636

18 keys:

http://www.tf2outpost.com/trade/28581402 - 1 week

http://backpack.tf/u/76561197990986202

20 keys:

http://i.imgur.com/IYE9wgM.png

http://backpack.tf/u/76561198156255538

Offers:

http://www.tf2outpost.com/trade/28512497 - 1 month

Sales at:

17 (2x)

18

19

20 (2x)

21

~25

27

Sales at ~25 and 27 are outliers, due to common B/O’s for less, as well as abundance of sales for less. Excluding anything above 21

Was originally going to exclude 17, however, there are also 2 sellers at 17.

Going with 17-21