Gonna pull a ApothicЯ and make a suggestion on my own hat.

classifieds:

3 sellers/unsolds at 200

multiple buyers at 125

Sale 1:

https://backpack.tf/item/274528256

https://marketplace.tf/items/tf2/54;5;u7

sold at $289 = 160 keys

(was unsold for a while)

Sale 2 to quickbuyer:

125 keys pure

https://backpack.tf/profiles/76561198084126218#!/compare/1626048000/1626220800

https://backpack.tf/profiles/76561198271951717#!/compare/1626048000/1626220800

Sale 3 untrace/transfer?:

https://backpack.tf/item/957872887

https://backpack.tf/profiles/76561198029024223#!/compare/1626825600/1626912000

sale 4

same hat was sold richt beforewith a bunch of items for Arcana Bonk boy.

Was not considered calculable for that suggestion

https://backpack.tf/profiles/76561198046845295#!/compare/1626825600/1626912000

Other histories without recent sales:

https://backpack.tf/item/297563942 duped

https://backpack.tf/item/280641396

https://backpack.tf/item/160491831

https://backpack.tf/item/225946170

https://backpack.tf/item/285565182

https://backpack.tf/item/293842628

https://backpack.tf/item/502834387

https://backpack.tf/item/320568152 (mine never for sale)

taking 125-160 since the marketplace sale took a bit.