Item 1

https://backpack.tf/item/7957395068

Sale 1

https://backpack.tf/profiles/76561198106176871#!/compare/1687824000/1688601600

https://backpack.tf/profiles/76561198189218413#!/compare/1687996800/1688083200

Bulk

Sale 2

https://backpack.tf/profiles/76561198189218413#!/compare/1688083200/1688256000

https://backpack.tf/profiles/76561198001720271#!/compare/1688083200/1688256000

No clue, can only match like 2 keys on buyer side

Sale 3

https://backpack.tf/profiles/76561198001720271#!/compare/1688256000/1688342400

https://backpack.tf/profiles/76561198346506937#!/compare/1688256000/1688342400

Can't say for sure, keys don't match

Sale 4

https://backpack.tf/profiles/76561198346506937#!/compare/1688860800/1689120000

https://backpack.tf/profiles/76561198405505391#!/compare/1689033600/1689379200

Untrace on buyer side

Sale 5

https://backpack.tf/profiles/76561198405505391#!/compare/1689379200/1689897600

https://backpack.tf/profiles/76561198046960638#!/compare/1688515200/1689811200

No clue, untrace on seller side

Sale 6

https://backpack.tf/profiles/76561198046960638#!/compare/1690848000/1691539200

https://backpack.tf/profiles/76561198084985677#!/compare/1691798400/1692144000

Looks like a 1 for 1 with a spec ks aussie smg, but I can't say for sure as I can't load seller inv

Item 2

https://backpack.tf/item/7957321028

Sale 7

https://backpack.tf/profiles/76561198311498888#!/compare/1689120000/1689292800

https://backpack.tf/profiles/76561198405505391#!/compare/1689379200/1689897600

Untrace on buyer side

Sale 8

https://backpack.tf/profiles/76561198405505391#!/compare/1689033600/1689379200

https://backpack.tf/profiles/76561198104056646#!/compare/1689811200/1689897600

Untrace, 28 key bulk is too high tho, so no clue

Sale 9

https://backpack.tf/profiles/76561198104056646#!/compare/1689033600/1689811200

https://backpack.tf/profiles/76561198123496597#!/compare/1688083200/1690329600

10 keys

Item 3

https://backpack.tf/item/7956966301

Sale 10

https://backpack.tf/profiles/76561198161130473#!/compare/1691193600/1691539200

https://backpack.tf/profiles/76561198310972287#!/compare/1691712000/1691798400

Untrace on buyer side, no clue

Sale 11

https://backpack.tf/profiles/76561198310972287#!/compare/1691712000/1691798400

https://backpack.tf/profiles/76561199026390261#!/compare/1691625600/1691712000

Untrace on seller side, no clue

Mp.tf

https://marketplace.tf/items/tf2/613;5;u56

$25.90 / $2.00 = ~13 keys (Jun 21)

Total Sales

10, 13

https://imgur.com/a/uZIoQTY

13 seems high given the amount of unsolds @13 and the STN listing @11.5

Taking 10 keys c: