Never liked this hat...

Only 2 recent usable sales

Sale 1:

https://backpack.tf/profiles/76561198061879362#!/compare/1491782400/1491868800

Sold for Pro KS Australium Flame Thrower (Non-bot sellers at 25) + 1 key = 26

Sale 2:

https://backpack.tf/profiles/76561198061879362#!/compare/1491350400/1491436800

https://backpack.tf/profiles/76561198156255538#!/compare/1491264000/1491350400

Sold for Orbiting Fire Brainiac Hairpiece + 16 pure

Brainiac Mini:

1.- https://backpack.tf/profiles/76561198068429580#!/compare/1491004800/1491091200

Sold for 19 pure (qs?)

Only pure sale, other sales are bulk or outdated/non-usable

Taking 19 + 16 = 35

Sales at 26 - 35. Taking that range.