Item 1

https://backpack.tf/item/9545231469

Sale 1

https://gladiator.tf/time-machine?item=Shimmering%20Lights%20Taunt:%20Bad%20Pipes&at=2023-08-14T10:41:41.000Z

https://backpack.tf/profiles/76561199084784906#!/compare/1691971200/1692057600

https://backpack.tf/profiles/76561198425250397#!/compare/1676073600/1693785600

Can match 5 keys, sell order says this was close to ~4.70 keys

Item 2

https://backpack.tf/item/6352328545

Mp.tf stuff, covering at the end

Item 3

https://backpack.tf/item/4410947318

Sale 2

https://backpack.tf/profiles/76561199112747154#!/compare/1693353600/1694563200

https://backpack.tf/profiles/76561198850178158#!/compare/1693353600/1693526400

Can only match a bit of ref

Sale 3

https://backpack.tf/profiles/76561198850178158#!/compare/1695254400/1695340800

https://backpack.tf/profiles/76561198074161948#!/compare/1695340800/1695859200

I could mini this, but this was dumped to STN 5 days later

Sale 4

https://backpack.tf/profiles/76561198074161948#!/compare/1696377600/1696723200

https://backpack.tf/profiles/76561199026390261#!/compare/1696291200/1696377600

No clue

Sale 5

https://backpack.tf/profiles/76561199026390261#!/compare/1696723200/1696809600

https://backpack.tf/profiles/76561199072654974#!/compare/1696723200/1696809600

No clue

Mp.tf

https://marketplace.tf/items/tf2/30671;5;u3056

$9.99 / $2.06 = ~4.85 keys (Sep 16)

$9.99 / $2.03 = ~4.90 keys (Oct 5)

Total Sales

4.7, 4.85, 4.9

https://imgur.com/a/oyw2qIW

Unsold @4.73 is relatively new

Taking 4.7 - 4.9 keys c: