The Steaming Master's Yellow Belt has an outdated price, so its sales will need to be looked into before this can be updated.

https://backpack.tf/profiles/76561198067053408#!/compare/1776729600/1777075200 - 129 Keys

https://backpack.tf/profiles/76561198868457283#!/compare/1773532800/1773619200 - Planets TC + Pro KS Aussie Sticky?

https://backpack.tf/profiles/76561198868457283#!/compare/1773878400/1773964800 - Bulk

https://backpack.tf/profiles/76561198095381721#!/compare/1773878400/1773964800 - 203 Keys?

https://backpack.tf/profiles/76561198011891653#!/compare/1773964800/1774051200 - Bulk

https://backpack.tf/profiles/76561198243733054#!/compare/1772323200/1772409600 - Smoking Bone Cone (155 Keys)

https://backpack.tf/profiles/76561198805428379#!/compare/1777593600/1777680000 - ?

https://backpack.tf/profiles/76561198070248296#!/compare/1777420800/1777766400 - ?

https://backpack.tf/profiles/76561198070248296#!/compare/1778284800/1778371200 - ?

https://backpack.tf/profiles/76561197966524361#!/compare/1778284800/1778371200 - Quicksold for 115 Keys

https://backpack.tf/profiles/76561198868457283#!/compare/1774483200/1774569600 - ?

https://backpack.tf/profiles/76561199581722058#!/compare/1774569600/1774656000 - 125 Keys

https://backpack.tf/profiles/76561199508945155#!/compare/1776643200/1776816000 - Dumped back to STN for ?

125-129 would work in the absence of more evidence, so the suggested price is fine.