Item 1

https://backpack.tf/item/1399101517

Sale 1

https://backpack.tf/profiles/76561198841279602#!/compare/1686009600/1686096000

https://backpack.tf/profiles/76561198139944683#!/compare/1685318400/1686096000

No clue

Sale 2

https://backpack.tf/profiles/76561198139944683#!/compare/1686096000/1686873600

https://backpack.tf/profiles/76561198850121720#!/compare/1686787200/1686873600

Likely a bulk dump here

Sale 3

https://backpack.tf/profiles/76561198850121720#!/compare/1690675200/1690761600

https://backpack.tf/profiles/76561198440976676#!/compare/1690761600/1691107200

No clue, can't match keys

Item 2

https://backpack.tf/item/182046418

Sale 4

https://backpack.tf/profiles/76561198854496201#!/compare/1684454400/1684713600

https://backpack.tf/profiles/76561198970700228#!/compare/1683331200/1684713600

Likely a missing history here, but it looks like the buyer bought for 8 keys + Tainted Frost Throttlehead

Mini for the Tainted Frost Throttlehead 16 keys

16 + 8 = 24 keys, would love to check for a b/o cap, but I can't

Sale 5

https://backpack.tf/profiles/76561198970700228#!/compare/1684713600/1691366400

https://backpack.tf/profiles/76561199041553814#!/compare/1690848000/1691539200

No clue

Item 3

https://backpack.tf/item/275134334

Sale 6

https://marketplace.tf/items/tf2/251;5;u15

$39.99 / $1.99 = ~20 keys (Aug 4)

Total Sales

20, 24

https://imgur.com/a/dFiJ6jO

Taking [b]20 - 24 keys[/] c: