Item 1:

https://backpack.tf/item/5195492796

Sale 1:

Bulk

https://backpack.tf/profiles/76561198115554522#!/compare/1721260800/1721520000

https://backpack.tf/profiles/76561198850121720#!/compare/1721433600/1721520000

Sale 2:

48 Keys traceable

https://backpack.tf/profiles/76561198850121720#!/compare/1721865600/1721952000

https://backpack.tf/profiles/76561198208327832#!/compare/1717113600/1721952000

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Item 2:

https://backpack.tf/item/5208070336

Sale 3:

Sold for 84 Keys (Unusual ID: "14753325086")

https://backpack.tf/profiles/76561198209640976#!/compare/1722729600/1722902400

https://backpack.tf/profiles/76561198066157068#!/compare/1722816000/1722902400

Sale 4:

Sold for 75 Keys (Buyer's compare shows keys)

https://backpack.tf/profiles/76561198066157068#!/compare/1727222400/1727308800

https://backpack.tf/profiles/76561198075752272#!/compare/1727222400/1727308800

Sale 5:

Sold for Purple Energy Galvanized Gibus (67.5) + Professional Killstreak Rocket Launcher (12) = ~80 Keys

https://backpack.tf/profiles/76561198075752272#!/compare/1727395200/1727568000

https://backpack.tf/profiles/76561198802408649#!/compare/1727222400/1727568000

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https://backpack.tf/profiles/76561198075752272#!/compare/1728172800/1728345600 - Was sold for 12 Keys

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Item 3:

https://backpack.tf/item/5253949947

Sale 6:

Sold for 60 Keys

https://backpack.tf/profiles/76561198060734100#!/compare/1721779200/1721865600

Sale 7:

Then bulk

https://backpack.tf/profiles/76561198091502579#!/compare/1721779200/1721865600

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Total Sales

48, 60, 75, 80, 84

https://imgur.com/Kefj0Zz

Excluding 48, 60 because lower than buyers; excluding 84 because it resold for 75

Taking 75 - 80 Keys

Unsolds:

https://backpack.tf/item/5195556662 - 95

https://backpack.tf/item/5253949947 -$199.99