That thing is definitely not worth 2 ref! Attempt no.2 cuz I am big dumb

Sale #1)

420 keys:

https://backpack.tf/profiles/76561198076637124#!/compare/1629331200/1629936000

Sale #2)

Orbiting Fire Exquisite Rack (225 keys, in-date) + Scorching Flames Chill Chullo (180):

https://backpack.tf/profiles/76561198220098345#!/compare/1631491200/1631577600

https://backpack.tf/profiles/76561198118859180#!/compare/1631404800/1631577600

Mini for SF Chill Chullo:

https://backpack.tf/suggestion/61586e5e97e38241c5296086

180 + 225 = 405

Rounding down to 400.

Sale #3)

Sold along Burning Flames Combustible Kabuto (72,5 keys, in-date), Pro Kit. S. Original (~87 keys) and Pro Kit. for Hitman's Heatmaker (~5 keys) for Spellbound Full Metal Drill Hat (500 keys, in-date):

https://backpack.tf/profiles/76561198118859180#!/compare/1632441600/1632528000

https://backpack.tf/profiles/76561198415564349#!/compare/1632441600/1632528000

500 - 72,5 - 87 - 5 = 335,5 =~ 335 keys

Rounding down to 330.

We have:

330

400

430

Clean copies haven't moved in months/years.

Taking 330 - 430 range.