History: https://backpack.tf/item/11133540947

30 keys:

https://backpack.tf/profiles/76561198349848918#!/compare/1643414400/1643500800

https://backpack.tf/profiles/76561198852631417#!/compare/1643328000/1643587200

Dumped to Quicksell.Store, 9 keys 9.44 ref matches:

https://backpack.tf/profiles/76561198852631417#!/compare/1645315200/1645401600

https://backpack.tf/profiles/76561199084784906#!/compare/1645315200/1645401600

18 keys + Unique Hot Wheeler:

https://backpack.tf/profiles/76561199084784906#!/compare/1647216000/1647302400

https://backpack.tf/profiles/76561198142766049#!/compare/1646697600/1647561600

Hot Wheeler was ~2 keys at the time https://gladiator.tf/sales?item=Taunt:%20The%20Hot%20Wheeler&at=2022-03-15T15:22:56.115Z

18+2=20 keys, buyout was 20 keys 33 ref https://gladiator.tf/listings/622ee975518b4e5e7ae5f2aa

~~

https://mannco.store/item/440-sublime-snowstorm-unusual-taunt-the-hot-wheeler

$59.99 / $1.61 = 37.26 keys ~37 keys

from aj:

"https://backpack.tf/item/11511143118

https://prnt.sc/9dgPGGWD1f0r

I got it for 16 keys 5 ref"

from Blaze:

"i agree here. with sales at 9, 16, 20, 30, 37, a range of 20 - 30 seems to be more reasonable here to excluding a 9 and 16 as low outliers and 37 as a high outlier to balance it out"