ALL CREDIT TO Bob d Asymmetrical Trashcan!!

Item 1:

https://backpack.tf/item/7956900240

Sale 1:

https://backpack.tf/profiles/76561199043177646#!/compare/1714521600/1714694400

https://backpack.tf/profiles/76561198419294613#!/compare/1714608000/1714694400

ID match does not seem to work.

22 keys 56 ref

23 keys

Item 2:

https://backpack.tf/item/5868275300

Sale 1:

https://backpack.tf/profiles/76561199026390261#!/compare/1708646400/1708732800

https://backpack.tf/profiles/76561198253483866#!/compare/1708646400/1708732800

untrace

Sale 2:

https://backpack.tf/profiles/76561198253483866#!/compare/1708560000/1708646400

https://backpack.tf/profiles/76561198876900014#!/compare/1708646400/1708732800

ID match: 14203447037

Sold with Terror Watt Well rounded rifleman for Sulphurous Titanium Tyrolean

Bulk

Sale 3:

https://backpack.tf/profiles/76561198876900014#!/compare/1708732800/1708819200

https://backpack.tf/profiles/76561198006544512#!/compare/1708732800/1708819200

Sold with bubbling head hedge for something

Sale 4:

https://backpack.tf/profiles/76561198006544512#!/compare/1708819200/1708905600

https://backpack.tf/profiles/76561199132627345#!/compare/1708819200/1708905600

untrace, dumped to bot, Sale 3 invalid

Sale 5:

https://backpack.tf/profiles/76561199132627345#!/compare/1709164800/1709251200

https://backpack.tf/profiles/76561199620388738#!/compare/1709078400/1709251200

bot to bot

Sale 6:

https://backpack.tf/profiles/76561199620388738#!/compare/1709856000/1709942400

https://backpack.tf/profiles/76561199032322140#!/compare/1709683200/1709942400

30

Item 3:

https://backpack.tf/item/7957018421

Sale 1:

bought for 69.99$ on marketplace.tf (on July 4th)

https://marketplace.tf/items/tf2/601;5;u11

https://imgur.com/gallery/proof-tf-logo-one-man-army-ePWycWX

key price on this day: 1.68$ / key

https://imgur.com/gallery/key-price-on-marketplace-tf-on-july-4th-JRIsJwR

69.99 / 1.68 ~= 41.66, rounding to 42

We have 23, 30, 42

excluding 23 due to buy orders

going with 30-42 :]

Thanks to Lemons for the support! :-)