Item 1:

https://backpack.tf/item/11515306630

Sale 1:

Sold for 70 Keys

https://backpack.tf/item/12512650123 (Key ID: "14724086897")

https://backpack.tf/profiles/76561198175420885#!/compare/1722124800/1722211200

https://backpack.tf/profiles/76561198063855523#!/compare/1722211200/1722384000

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Item 2:

https://backpack.tf/item/13461216718

Sale 2:

Bulk

https://backpack.tf/profiles/76561198237700604#!/compare/1724198400/1724284800

https://backpack.tf/profiles/76561199111073161#!/compare/1724112000/1724198400

Sale 3:

Sold for 80 Keys (Unusual ID: "14880130478")

https://backpack.tf/profiles/76561198850274253#!/compare/1725580800/1725667200

https://backpack.tf/profiles/76561199099521803#!/compare/1725580800/1725667200

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Item 3:

https://backpack.tf/item/11819985115

Sale 4:

Sold for Blizzardy Storm Bomber's Bucket Hat + Genuine Aperture Labs Hard Hat + Potassium Bonnet

https://backpack.tf/profiles/76561199084784906#!/compare/1721174400/1721260800

https://backpack.tf/profiles/76561198343328308#!/compare/1721001600/1722124800

Sale 5:

Dumped alongside Professional Killstreak Big Kill to QS.Store

https://backpack.tf/profiles/76561198343328308#!/compare/1722124800/1723939200

https://backpack.tf/profiles/76561199059800460#!/compare/1723334400/1723420800

Sale 6:

Sold for ~79 Keys (Unusual ID: "14891417319")

https://backpack.tf/profiles/76561198850121720#!/compare/1725840000/1725926400

https://backpack.tf/profiles/76561199108844567#!/compare/1725840000/1725926400

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Item 4:

https://backpack.tf/item/11919511229

Sale 7:

Bulkish

https://backpack.tf/profiles/76561198074946606#!/compare/1723852800/1724025600

https://backpack.tf/profiles/76561198139627699#!/compare/1723766400/1723852800

Sale 8:

Sold for Treasure Trove Burning Beanie? - Better used there

https://backpack.tf/profiles/76561198139627699#!/compare/1723939200/1724025600

https://backpack.tf/profiles/76561198095293350#!/compare/1723939200/1724112000

Sale 9:

https://marketplace.tf/items/tf2/538;5;u57;strange

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

$200/$1.87 = ~107 → Rounding to 105 Keys (Sep 27)

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Total Sales

70, 79, 80, 105

https://imgur.com/vNzF8F8

Taking 70 - 105 Keys