Item 1

https://backpack.tf/item/9146404331

Sale 1

https://backpack.tf/profiles/76561198057897812#!/compare/1684540800/1684800000

https://backpack.tf/profiles/76561198037118614#!/compare/1684281600/1684972800

21 keys

Item 2

https://backpack.tf/item/11717929068

Sale 2

https://backpack.tf/profiles/76561198135387728#!/compare/1683763200/1684627200

https://backpack.tf/profiles/76561199072654974#!/compare/1684800000/1684886400

There's a missing history here

Sale 3

https://backpack.tf/profiles/76561199072654974#!/compare/1685664000/1685750400

https://backpack.tf/profiles/76561199085116273#!/compare/1685664000/1685750400

~15 keys, likely someone bought and insta dumped to Erick however, so best not to use this

Sale 4

https://backpack.tf/profiles/76561199085116273#!/compare/1687564800/1687651200

https://backpack.tf/profiles/76561198121146039#!/compare/1686873600/1687651200

22 keys

Item 3

https://backpack.tf/item/9165431774

Sale 5

https://backpack.tf/profiles/76561198850121720#!/compare/1684713600/1684800000

https://backpack.tf/profiles/76561198139489798#!/compare/1684713600/1684886400

Isotope Killstreak Gourdy Green Flame Thrower (Field-Tested) + Subatomic A Head Full of Hot Air < - - > Searing Plasma Fire Fighter + ~10 keys?

Flame Thrower has no valid sales

Sale 6

https://backpack.tf/profiles/76561198139489798#!/compare/1684886400/1685923200

https://backpack.tf/profiles/76561198057897812#!/compare/1684800000/1684886400

Bulk for a Green Energy Fire Fighter, using there

Sale 7

https://imgur.com/a/JJN9Osh

https://backpack.tf/profiles/76561198057897812#!/compare/1690848000/1691020800

Sold to an unknown history here, I can't say for sure here

Total Sales

15(?), 21, 22

https://imgur.com/a/HXyX6C7

15 is questionable due to the nature of sales like that

Running with 21 - 22 keys c: