Item 1

https://backpack.tf/item/13099601942

Sale 1

https://backpack.tf/profiles/76561198051005741#!/compare/1692576000/1693958400

https://backpack.tf/profiles/76561198055923827#!/compare/1692144000/1692835200

No clue

Sale 2

https://backpack.tf/profiles/76561198055923827#!/compare/1692835200/1694131200

https://backpack.tf/profiles/76561199494602153#!/compare/1691712000/1694563200

No clue

Item 2

https://backpack.tf/item/9135422758

Sale 3

https://backpack.tf/profiles/76561199044277641#!/compare/1694563200/1695168000

https://backpack.tf/profiles/76561197985618274#!/compare/1694995200/1695081600

Looks like an inv transfer / buy

Item 3

https://backpack.tf/item/9046111520

Covering mp.tf at the end

Item 4

https://backpack.tf/item/8365457016

Sale 4

https://backpack.tf/profiles/76561199111073161#!/compare/1690761600/1690848000

https://backpack.tf/profiles/76561199161916038#!/compare/1691712000/1692144000

No clue

Sale 5

https://backpack.tf/profiles/76561199161916038#!/compare/1692144000/1692316800

https://backpack.tf/profiles/76561199245733895#!/compare/1692144000/1692230400

Probably gambling

Sale 6

https://backpack.tf/profiles/76561199245733895#!/compare/1692403200/1692576000

https://backpack.tf/profiles/76561197963802299#!/compare/1692230400/1692662400

No clue

Item 5

https://backpack.tf/item/8261567200

Sale 7

https://backpack.tf/profiles/76561199026390261#!/compare/1687996800/1688083200

https://backpack.tf/profiles/76561198287684920#!/compare/1688083200/1688342400

4 keys, 69 ref, was about ~4.85 keys at the time

Item 6

https://backpack.tf/item/6733762166

Sale 8

https://backpack.tf/profiles/76561198117410014#!/compare/1694044800/1694476800

https://backpack.tf/profiles/76561199072654974#!/compare/1694390400/1694476800

Untrace on buyer side? Can only match 3 keys anyways

Sale 9

https://backpack.tf/profiles/76561199072654974#!/compare/1694476800/1694563200

https://backpack.tf/profiles/76561198163609625#!/compare/1694476800/1694563200

Untrace on seller side

Sale 10

https://backpack.tf/profiles/76561198163609625#!/compare/1695254400/1695340800

https://backpack.tf/profiles/76561198057154811#!/compare/1695081600/1695340800

Can only match 2 keys

Mp.tf

https://marketplace.tf/items/tf2/30922;5;u3005

$13.99 / $1.96 = ~7 keys (Aug 2)

$14.99 / $2.01 = ~7.5 keys (Aug 20)

$15.00 / $2.03 = ~7.5 keys (Sep 22)

Total Sales

4.85, 7, 7.5, 7.5

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

4.85 seems incomplete, I'd rather go with 7 - 7.5 keys here instead c: