"This hat must be incredibly cold and annoyingly heavy to wear"

can only trace one (2 sellers on outpost, but one of them is just a previous owner that didnt close his trade) and it has severall recent sales:

The sales:

Sale 1:

Sold for spec. ks aussie sticky (21) + 2 keys

http://backpack.tf/profiles/76561198100164598?time=1428992962 before

http://backpack.tf/profiles/76561198100164598?time=1428994800 after

no overpay needed, mini in pure

-> 23 keys

Sale 2:

Sold for spec ks aussie sticky (21) (again) + s.f grenade launcher (4.4)

http://backpack.tf/profiles/76561198054002248?time=1428988806 before

http://backpack.tf/profiles/76561198054002248?time=1428735600 after

No overpay needed on sticky, mini in pure

21+0.9*4.4 =~25

-> 25 keys

Sale 3:

Involved in some deal involving an aussie ft, a max and an aussie minigun, but cant make up what happened exactly due to the histories being messed up:

Buyer:

http://backpack.tf/profiles/76561197960390736?time=1426834800 before

http://backpack.tf/profiles/76561197960390736?time=1426921200 after

Seller:

http://backpack.tf/profiles/76561198133722732?time=1426834800 before

http://backpack.tf/profiles/76561198133722732?time=1426973654 after

Gonna leave this out

Sale 4:

Sold for TaW nano (9.5) + 2 buds (20)

http://backpack.tf/profiles/76561198082745608?time=1426489200 before

http://backpack.tf/profiles/76561198082745608?time=1426592545 after

no overpay needed on nano, mini in pure

Buds were 10 keys at the time, not applying overpay because they were still formal currency at the time

20+9.5 = 29.5, rounding to 30

-> 30 keys

The minis

Mini spec ks sticky:

http://imgur.com/eMnoBIa averagely sells between 40-50€ = ~21 keys

Taking 21

mini nano:

Sold for a bud when buds were 9.5:

http://backpack.tf/profiles/76561198065244603?time=1426748400 before

http://backpack.tf/profiles/76561198065244603?time=1426903077 after

Taking 9.5

Final range: 23-30

Constructive criticism welcome!

~Foamy :3