Item #1

https://backpack.tf/item/6636103871

Sale #1

Dumped to quicksell bot

https://backpack.tf/profiles/76561198102485753#!/compare/1634169600/1636848000

https://backpack.tf/profiles/76561198841279602#!/compare/1635811200/1636416000

No showing up in bots compares , untraceable , low anyways

Sale #2

https://backpack.tf/profiles/76561198091502579#!/compare/1636502400/1636588800

https://backpack.tf/profiles/76561198841279602#!/compare/1636416000/1636502400

40 keys , histories match

Taking 40 Keys

Sale #3

Deposited on mp.tf

Sale #4

Sold on marketplace.tf $99.99 / $1.81 = 55.24 keys

55 keys

Taking 55 Keys

Item #2

https://backpack.tf/item/9288275996

Sale #1

https://backpack.tf/profiles/76561198109756059#!/compare/1642723200/1643673600

https://backpack.tf/profiles/76561198086948995#!/compare/1643155200/1643760000

Untrace both sides

Item #3

https://backpack.tf/item/6727845527

Sale #1

https://backpack.tf/profiles/76561197960466656#!/compare/1637798400/1637971200 , 45 keys

Taking 45 Keys

Sale #2

Bulk entire bp dumped https://backpack.tf/profiles/76561198078375939#!/compare/1640649600/1641427200

Item #4

Sold on mp.tf

$74.99 / $1.88 = 39.89 keys

Rounding to 40 keys

Taking 40 Keys

Valid Sales = 40k , 55k , 45k , 40k ; Suggesting 40-45k cause 2x 50key sellers on classifieds unsold (1 unsold for at least 25 days) making 55 an outlier!

Suggesting 40-45 Keys =)

Huge Thanks to ShuffleSpy