this hat leads to lot of mini chain...

https://backpack.tf/item/11540447725

Sale 1

https://backpack.tf/profiles/76561199564942025#!/compare/1726272000/1726358400

https://backpack.tf/profiles/76561198038963425#!/compare/1725667200/1726358400

ID 14907686987, some key history missing, but the gap time mostly match the seller inventory gap

36 keys

Sale 2

https://backpack.tf/profiles/76561199390080518#!/compare/1721347200/1722729600

https://backpack.tf/profiles/76561199564942025#!/compare/1721260800/1721347200

28 keys

Sale 3

https://backpack.tf/profiles/76561199532989344#!/compare/1720310400/1720396800

https://backpack.tf/profiles/76561199390080518#!/compare/1720310400/1720396800

Sold for Smoking Hat Outta Hell

Sale 4

https://backpack.tf/profiles/76561198045636574#!/compare/1719878400/1719964800

https://backpack.tf/profiles/76561199532989344#!/compare/1717545600/1719964800

Sold for Steaming Fortunate Son

Sale 5

https://backpack.tf/profiles/76561198063145781#!/compare/1719792000/1720396800

https://backpack.tf/profiles/76561198045636574#!/compare/1719705600/1719792000

Sold for Vivid Plasma Powdered Practitioner

current nil SO and BO @ 16 keys

https://imgur.com/a/DXXXTXd

Given those 1:1 hat ranges

Steaming Fortunate Son 55 keys (high)

Smoking Hat Outta Hell 27-33 keys

Vivid Plasma Powdered Practitioner 27 keys

this is a wild ranges I tend to not include them into here

left it to 28-36