Item 1:

https://backpack.tf/item/11842301772

Sale 1:

SCM

https://backpack.tf/profiles/76561198069149241#!/compare/1620259200/1699747200

https://backpack.tf/profiles/76561198104898708#!/compare/1702684800/1702771200

https://imgur.com/I0TniwH - Sold for $115.11

https://imgur.com/Kr2Ijbw - Avg key price = 2.12

$115.11/$2.12 = ~54 Keys

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Item 2:

https://backpack.tf/item/8968215012

Sale 2:

Sold for 74 Keys (Keys' histories show that they were recorded in the buyer's inventory before entering seller's; some keys seems to be from sale of Stormy Storm Hat With No Name)

https://backpack.tf/profiles/76561198140316312#!/compare/1700352000/1700438400

https://backpack.tf/profiles/76561198093459828#!/compare/1700006400/1700438400

Sale 3:

Bulk for Roboactive Cotton Head - Using there

https://backpack.tf/profiles/76561198093459828#!/compare/1701475200/1701648000

https://backpack.tf/profiles/76561198057452720#!/compare/1701561600/1701648000

Sale 4:

Sold for Acidic Climate Bomb Beanie + Magical Spirit Taunt: Flippin' Awesome + 5 Keys

https://backpack.tf/profiles/76561198060730062#!/compare/1699401600/1699747200

https://backpack.tf/profiles/76561198070022327#!/compare/1699660800/1699747200

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Item 3:

https://backpack.tf/item/12164298044

Sale 5

https://marketplace.tf/items/tf2/30786;5;u7

https://marketplace.tf/items/tf2/5021;6

$180/$1.70 = ~106 Keys → Rounding to 105 Keys (Jan 25)

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Total Sales

54 ,74,105

https://imgur.com/BkUj7rQ

With a buy order @ 56, the sale @ 54 can excluded; 105 + Sale 4 looks to be high with an unsold @ 95 & 80

Taking 74 Keys