Item 1:

https://backpack.tf/item/7280771838

Sale 1:

Sold for 77 Keys (Unusual ID: "14431283815")

https://backpack.tf/profiles/76561199183541107#!/compare/1714521600/1714608000

https://backpack.tf/profiles/76561198088424051#!/compare/1705449600/1714608000

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Item 2:

https://backpack.tf/item/7271068603

Sale 2:

Untraceable

https://backpack.tf/profiles/76561198093831749#!/compare/1711065600/1711411200

https://backpack.tf/profiles/76561198131063201#!/compare/1701388800/1711497600

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Item 3:

https://backpack.tf/item/14340963723

Sale 3:

Sold for 85 Keys (Unusual ID: "14367147248")

https://backpack.tf/profiles/76561198035464165#!/compare/1712880000/1712966400

https://backpack.tf/profiles/76561198121053793#!/compare/1712620800/1712966400

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Item 4:

https://backpack.tf/item/12969461738

Sale 4:

Untraceable

https://backpack.tf/profiles/76561199564942025#!/compare/1711065600/1711152000

https://backpack.tf/profiles/76561198186261565#!/compare/1710979200/1711065600

Sale 5:

Sold for 80 Keys (Key histories matches)

https://backpack.tf/profiles/76561198186261565#!/compare/1711065600/1711324800

https://backpack.tf/profiles/76561198048166329#!/compare/1711152000/1711238400

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Item 5:

https://backpack.tf/item/8437597477

Sale 6:

Dumped for 73 Keys (Unusual ID: "14236082220")

https://backpack.tf/profiles/76561198280359073#!/compare/1709251200/1709337600

https://backpack.tf/profiles/76561198349848918#!/compare/1709251200/1709337600

Sale 7:

Sold for 77 Keys (Counted from buyer's compare)

https://backpack.tf/profiles/76561198349848918#!/compare/1710720000/1710806400

https://backpack.tf/profiles/76561198012715788#!/compare/1710720000/1710806400

Sale 8:

Bulk for Atomic Captain Space Mann

https://backpack.tf/profiles/76561198012715788#!/compare/1715126400/1715212800

https://backpack.tf/profiles/76561198078427026#!/compare/1715212800/1715299200

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Item 6:

https://backpack.tf/item/7495230043 - Listed on Skinport

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Item 7:

https://backpack.tf/item/12887980523 - Likely just a transfer between accounts

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Total Sales

73, 77, 77, 80, 85

https://imgur.com/oAiPIWh

Sale @ 73 Keys was a dump to a bot

Taking 77 - 85 Keys

Unsolds:

https://backpack.tf/item/8437597477 - 100

https://backpack.tf/item/9097711969 - $154.99

https://backpack.tf/item/7314179870 - $154.99

https://backpack.tf/item/8750015260 - $154.99