New hats are awesome!

Sold for 19 keys pure

https://backpack.tf/profiles/76561198043015063#!/compare/1523577600/1524528000

Untracable on both sides

https://backpack.tf/profiles/76561198046752711#!/compare/1522972800/1524528000

https://backpack.tf/profiles/76561198026799664#!/compare/1522800000/1523318400

Untracable on both sides

https://backpack.tf/profiles/76561198137341741#!/compare/1524182400/1524268800

https://backpack.tf/profiles/76561198139434266#!/compare/1524182400/1524268800

Sold for 21 keys pure and some sweets. Round down to 21 keys.

https://backpack.tf/profiles/76561198134105703#!/compare/1523404800/1523491200

Mp.tf

https://marketplace.tf/items/30977;5;u57

79.99/1.96=40.8, rounding to 41

Credits to Foamy for sales below

Sold for indate flaming lantern bicorn (29.5, rounding up to 30)

https://backpack.tf/profiles/76561198008113369#!/compare/1524096000/1524182400

30

Sold for green energy airdog (even though the airdog does not appear; history; https://backpack.tf/item/5087602617 )

https://backpack.tf/profiles/76561198137341741#!/compare/1524182400/1524268800

Taking 34

Mini for green energy airdog

Sold for ~650 refs in items + 10.39 keys in items + 8.22 refs pure with 10 refs, ~642 refs + 10.39 keys, keys are at 27.93, so that's 23.35 keys in items + 10.39 keys in items which is 33.74, rounding to 34

https://backpack.tf/profiles/76561198353947264#!/compare/1526774400/1527033600

Sold for a Starstorm Slumber Cranial Carcharodon + ~3 Keys of Items + 2 Keys

https://backpack.tf/profiles/76561198291263118#!/compare/1528070400/1528416000

The Cranial has a suggestion up at 18.5 Keys ( https://backpack.tf/suggestion/5b1fb578cf6c752eaa25bde0 ), so this would be about 24 Keys.

24

Sold for 17 keys pure

https://backpack.tf/profiles/76561198135617284#!/compare/1528070400/1528156800

Sales we have: 19, 21, 30, 34, 41, 17, 24

Calling 30, 34 and 41 keys sales high because of 1 month unsold at 34 https://imgur.com/a/eps52Lb

going with 17-24 keys range

sad