Item 1:

https://backpack.tf/item/5906569729

Sale 1:

Sold alongside Permafrost Essence Taunt: The Proletariat Posedown for 10 Keys

https://backpack.tf/profiles/76561198850121720#!/compare/1735344000/1735430400

https://backpack.tf/profiles/76561198317340080#!/compare/1735344000/1735603200

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Item 2:

https://backpack.tf/item/4427584246

Sale 2:

Sold for 3 Keys 30 ref → 3.45 Keys

https://backpack.tf/profiles/76561198150783829#!/compare/1733184000/1733443200

https://backpack.tf/profiles/76561198135664916#!/compare/1732406400/1733443200

Sale 3:

Sold for 3 Keys (Unusual ID: "15236273796")

https://backpack.tf/profiles/76561198135664916#!/compare/1734134400/1734307200

https://backpack.tf/profiles/76561198083250307#!/compare/1734048000/1734134400

Sale 4:

Untraceable

https://backpack.tf/profiles/76561198083250307#!/compare/1734048000/1734134400

https://backpack.tf/profiles/76561199581722058#!/compare/1734048000/1734134400

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Item 3:

https://backpack.tf/item/4598508408 — STN → mannco (untraceable)

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Item 4:

https://backpack.tf/item/4453150454

Sale 5:

Sold for 3 Keys (Unusual ID: "15156001218")

https://backpack.tf/profiles/76561198060189392#!/compare/1731974400/1732060800

https://backpack.tf/profiles/76561198035237398#!/compare/1731974400/1732147200

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Total Sales

3, 3, 3.45

https://imgur.com/nlVcmRE

Excluding 3.45 since it resold for less

Taking 3 Keys