Item 1:

https://backpack.tf/item/2879662865

Sale 1:

https://backpack.tf/profiles/76561198396499936#!/compare/1714694400/1714780800

https://backpack.tf/profiles/76561198346080922#!/compare/1714694400/1714780800

9 vintage bills hats (40) = 360, capping at 350 buyout

Item 2:

https://backpack.tf/item/1656714328

(duped)

Sale 1:

https://backpack.tf/profiles/76561198393570312#!/compare/1707782400/1707868800

https://backpack.tf/profiles/76561198177872379#!/compare/1707782400/1707868800

looking at key histories, it looks like 340

Sale 2:

https://backpack.tf/profiles/76561198393570312#!/compare/1710374400/1710633600

https://backpack.tf/profiles/76561198068640262#!/compare/1710547200/1710633600

strange scorching flames thirst blood + an unspecified amount of keys

likely untrace, excluding

Item 3:

https://backpack.tf/item/1648629275

Sale 1:

https://backpack.tf/profiles/76561198143589141#!/compare/1708387200/1708560000

https://backpack.tf/profiles/76561198328282971#!/compare/1708560000/1708646400

bulk/partial bp buy, excluding

Sale 2:

https://backpack.tf/profiles/76561198043902761#!/compare/1709856000/1711152000

https://backpack.tf/profiles/76561198328282971#!/compare/1710979200/1711065600

only traces forever and forever throttlehead, def exclude

Sales:

340, 350

Taking 340-350