Item 1

https://backpack.tf/item/12603607716

Sale 1

https://backpack.tf/profiles/76561199072654974#!/compare/1684281600/1684368000

https://backpack.tf/profiles/76561199219904980#!/compare/1684281600/1684368000

No clue

Sale 2

Bot - - > Bot Owner

Item 2

https://backpack.tf/item/7464032128

Sale 3

https://backpack.tf/profiles/76561198117174425#!/compare/1685577600/1686096000

https://backpack.tf/profiles/76561199199747687#!/compare/1686009600/1686096000

Can only match some ref, not too sure

Item 3

https://backpack.tf/item/5611332581

Sale 4

https://backpack.tf/profiles/76561198181854738#!/compare/1684108800/1684281600

https://backpack.tf/profiles/76561199111073161#!/compare/1684195200/1684281600

Dumped alongside a pro ks mg, not too sure here, I would've excluded this as it was a buyer dump anyways

Sale 5

https://backpack.tf/profiles/76561199111073161#!/compare/1685404800/1685491200

https://backpack.tf/profiles/76561198280524116#!/compare/1685491200/1685577600

Untrace on buyer side, can only match 2 keys on seller side which is incomplete

Sale 6

I'll cover mp.tf sales at the end

Item 4

https://backpack.tf/item/3667156397

Sale 7

https://backpack.tf/profiles/76561198453530349#!/compare/1684195200/1684281600

https://backpack.tf/profiles/76561199219904980#!/compare/1684281600/1684368000

No clue

Sale 8

Bot - - > Bot Owner

Item 5

https://backpack.tf/item/3453710537

Sale 9

https://backpack.tf/profiles/76561199087334113#!/compare/1684022400/1686182400

https://backpack.tf/profiles/76561199203680409#!/compare/1685318400/1685404800

No clue, likely a bulk dump

Sale 10

https://backpack.tf/profiles/76561199203680409#!/compare/1689638400/1689724800

https://backpack.tf/profiles/76561198881258618#!/compare/1688083200/1689897600

Can only match 2 keys, this is incomplete, not sure how much ref was involved here

Item 6

https://backpack.tf/item/2836758796

Sale 11

https://backpack.tf/profiles/76561199277135317#!/compare/1687996800/1688083200

https://backpack.tf/profiles/76561198261672351#!/compare/1687910400/1688342400

No clue

Sale 12

https://backpack.tf/profiles/76561198261672351#!/compare/1688342400/1688688000

https://backpack.tf/profiles/76561198311498888#!/compare/1688601600/1688688000

No clue

Sale 13

https://backpack.tf/profiles/76561198311498888#!/compare/1690070400/1690243200

https://backpack.tf/profiles/76561198983856237#!/compare/1691625600/1691712000

No clue

Item 7

https://backpack.tf/item/4522907956

This is cs.trade untraceable transfers

Item 8

https://backpack.tf/item/2810848756

Bot - - > Bot Owner

Mp.tf

https://marketplace.tf/items/tf2/1113;5;u3007

$7.55 / $2.02 = ~3.75 keys (May 17)

$7.55 / $2.00 = ~3.75 keys (May 27)

$7.55 / $1.99 = ~3.80 keys (May 31)

$6.88 / $1.96 = ~3.50 keys (Jul 20)

$6.88 / $1.95 = ~3.50 keys (Jul 22)

Total Sales

3.50, 3.50, 3.75, 3.75, 3.80

https://imgur.com/a/6jAg9Pl

Unsold @3.50 for quite some time now according to the history?

There were likely lower sales <3 keys as well I can't confirm

Taking 3.50 keys flat and excluding the older and higher mp.tf sales