Sales on this hat: https://backpack.tf/item/10495633052

24k 5.11ref:

https://backpack.tf/profiles/76561198129995083#!/compare/1624060800/1624752000

https://backpack.tf/profiles/76561198453530349#!/compare/1624665600/1624838400

this is pretty close to non-strange ge pot buyers, so excluding

30k:

https://backpack.tf/profiles/76561198453530349#!/compare/1624665600/1624838400

https://backpack.tf/profiles/76561199099521803#!/compare/1624665600/1624838400

Looks like sale for Pro KS Aussie Black Box + Strange Pro KS Holy Mackerel + Strange Exorcism Flamethrower:

https://backpack.tf/profiles/76561198390770929#!/compare/1627948800/1628035200

https://backpack.tf/profiles/76561199099521803#!/compare/1627948800/1628035200

Looks like Exorcism FT was bought for 2 keys previously:

https://backpack.tf/profiles/76561199080033728#!/compare/1617667200/1617840000

Current sellers also at 2k: https://backpack.tf/classifieds?item=Flame%20Thrower&quality=11&tradable=1&craftable=1&australium=-1&killstreak_tier=0&spell=Exorcism

Taking buy order prices: BB (~23.5k) + HM (~7.5) + FT (2) = 33k

Taking range 30-33k.