Item 1

https://backpack.tf/item/10634732760

Covering all mp.tf sales at the end

Item 2

https://backpack.tf/item/10590122086

Sale 1

https://backpack.tf/profiles/76561198011324641#!/compare/1685750400/1685923200

https://backpack.tf/profiles/76561199072654974#!/compare/1685836800/1685923200

Not unusual yet

Sale 2

https://backpack.tf/profiles/76561199072654974#!/compare/1686096000/1686182400

https://backpack.tf/profiles/76561198186814395#!/compare/1686182400/1686268800

Not even unusual yet

Item 3

https://backpack.tf/item/9723205362

Sale 3

Covering mp.tf at the end

Sale 4

https://backpack.tf/profiles/76561198155110999#!/compare/1688083200/1688256000

https://backpack.tf/profiles/76561198805903572#!/compare/1646092800/1688342400

3 keys?, seems incompelte

Item 4

https://backpack.tf/item/9690615815

Sale 5

https://backpack.tf/profiles/76561198132072336#!/compare/1683072000/1683244800

https://backpack.tf/profiles/76561198390862579#!/compare/1682985600/1683072000

No clue

Item 5

https://backpack.tf/item/9545715256

Sale 6

https://backpack.tf/profiles/76561199026390261#!/compare/1684454400/1684627200

https://backpack.tf/profiles/76561197998194559#!/compare/1646611200/1685577600

Can't say for sure, can only match a single key

Item 6

https://backpack.tf/item/13132368011

Sale 7

https://backpack.tf/profiles/76561199065525210#!/compare/1687219200/1687392000

https://backpack.tf/profiles/76561198072741312#!/compare/1687132800/1687219200

Bulky

Sale 8

https://backpack.tf/profiles/76561198072741312#!/compare/1687219200/1687305600

https://backpack.tf/profiles/76561198117121589#!/compare/1687132800/1687305600

Looks like a bulk buy?

Item 7

https://backpack.tf/item/11212086529

Sale 9

https://backpack.tf/profiles/76561198015121976#!/compare/1686182400/1686960000

https://backpack.tf/profiles/76561199026390261#!/compare/1686182400/1686096000

Can't find buyer compares, likely too low anyways

Mp.tf

https://marketplace.tf/items/tf2/31154;5;u3001

$16.99 / $1.98 = ~8.5 keys (Jul 10)

$16.99 / $1.99 = ~8.5 keys (Jul 14)

Total Sales

8.5, 8.5

https://imgur.com/a/ypFcedP

Ranging off lowest (8) and taking 8 - 8.5 keys c: