That's some groovy hair, Mini Noice

Item 1: https://backpack.tf/item/9527094834

Sale 1:

https://backpack.tf/profiles/76561198094145983#!/compare/1633737600/1633824000

https://backpack.tf/profiles/76561199084784906#!/compare/1633737600/1633824000

Untrace and dump to quicksell.store

Sale 2:

https://backpack.tf/profiles/76561199084784906#!/compare/1635033600/1635120000

https://backpack.tf/profiles/76561199104425180#!/compare/1635033600/1635120000

Looks like they traded in a Stormy Storm Armored Authority + a Pro KS Australium Tomislav, bulky, and they bought back the Authority few days later

Sale 3:

https://backpack.tf/profiles/76561199104425180#!/compare/1635206400/1635292800

https://backpack.tf/profiles/76561198453530349#!/compare/1635206400/1635292800

Bot Dump

Sale 4:

https://backpack.tf/profiles/76561198453530349#!/compare/1635638400/1635724800

https://backpack.tf/profiles/76561198046720644#!/compare/1629244800/1636243200

Untrace

Item 2: https://backpack.tf/item/7849123512

Sale 1:

https://backpack.tf/profiles/76561198400510465#!/compare/1637107200/1637193600

https://backpack.tf/profiles/76561198049149130#!/compare/1636934400/1637193600

Untrace

Sale 2:

https://backpack.tf/profiles/76561198049149130#!/compare/1636934400/1637193600

https://backpack.tf/profiles/76561199202208101#!/compare/1637107200/1637193600

Untrace, but looks like it was sold to a bot buy order (https://gladiator.tf/listings/6196a7d5bc69d111fd153808) for 53 Keys + 59.11 ref ~ 54 Keys

Movement between Sale 2 and 3 are between bot and bot owner

Sale 3:

https://backpack.tf/profiles/76561198088427974#!/compare/1637798400/1637971200

https://backpack.tf/profiles/76561199098694108#!/compare/1637798400/1637971200

Untrace

Sale 4:

https://backpack.tf/profiles/76561199098694108#!/compare/1638316800/1638403200

https://backpack.tf/profiles/76561199102237820#!/compare/1638316800/1638489600

Untrace

Sale 5:

https://backpack.tf/profiles/76561199102237820#!/compare/1638316800/1638489600

https://backpack.tf/profiles/76561198061108999#!/compare/1638230400/1638316800

Untrace

Last movement is to marketplace bot

Item 3: https://backpack.tf/item/7859867781

Sale 1:

https://backpack.tf/profiles/76561198041612345#!/compare/1636588800/1636761600

https://backpack.tf/profiles/76561198453530349#!/compare/1636502400/1636588800

Untrace, but likely bot buyorder

Sale 2:

https://backpack.tf/profiles/76561198453530349#!/compare/1639958400/1640044800

https://backpack.tf/profiles/76561198056458399#!/compare/1639872000/1640044800

Sold for 57

Item 4: https://backpack.tf/item/5665218366

Sale 1:

https://backpack.tf/profiles/76561198058839682#!/compare/1639267200/1639353600

https://backpack.tf/profiles/76561199084784906#!/compare/1639267200/1639353600

Sold for 51

Mannco Sale:

https://mannco.store/item/440-disco-beat-down-unusual-mercs-mohawk - Sold for $92.1 on Oct 17

https://mannco.store/item/440-mann-co-supply-crate-key - Keys were $1.7 on Oct 17

92.1/1.7 = 54.18 ~ 54

So we got a sales at 51, 2 @ 54 and one at 57, going with 51 - 57