Item 1

https://backpack.tf/item/8382160411

Sale 1

https://backpack.tf/profiles/76561198310972287#!/compare/1694044800/1694131200

https://backpack.tf/profiles/76561198097135729#!/compare/1694044800/1694131200

Bulk for a Purple Energy Master's Yellow Belt

Sale 2

https://backpack.tf/profiles/76561198097135729#!/compare/1698710400/1698883200

https://backpack.tf/profiles/76561198127036645#!/compare/1698796800/1698883200

94 keys + Sunbeams Vive La France + Amygdala Field Practice + Nuts n' Bolts Kiss King

https://backpack.tf/suggestion/656829188b352c704b01ef3a - Beams vive was mini'd in this sugg (128)

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Mini for the Amygdala Field Practice

Item 1

https://backpack.tf/item/13737930064

Sale 1

https://backpack.tf/profiles/76561198127036645#!/compare/1698796800/1698883200

https://backpack.tf/profiles/76561198097135729#!/compare/1698710400/1698883200

Bulk for a Fragmented Quarks Hunter in Darkness

Item 2

https://backpack.tf/item/13687006005

Sale 2

https://backpack.tf/profiles/76561198206522056#!/compare/1697846400/1697932800

https://backpack.tf/profiles/76561198046702733#!/compare/1697846400/1698105600

I wanna say this was probably 41, but I can't match keys

Item 3

https://backpack.tf/item/13666013844

Sale 3

https://backpack.tf/profiles/76561198090829296#!/compare/1701302400/1701388800

https://backpack.tf/profiles/76561199245733895#!/compare/1701302400/1701388800

No clue

Sale 4

https://backpack.tf/profiles/76561199245733895#!/compare/1701302400/1701388800

https://backpack.tf/profiles/76561198145331385#!/compare/1701302400/1701388800

No clue

Sale 5

Bot Owner - - > Bot

I'm just gonna take the likely 41 key sale and range off lowest for a mini

37 - 41 keys (39) (https://imgur.com/a/oIdhLR5)

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Mini for the Nuts n' Bolts Kiss King

Item 1

https://backpack.tf/item/13740054580

Sale 1

https://backpack.tf/profiles/76561198127036645#!/compare/1698796800/1698883200

https://backpack.tf/profiles/76561198097135729#!/compare/1698710400/1698883200

Bulk for a Fragmented Quarks Hunter in Darkness

Item 2

https://backpack.tf/item/11978882441

Sale 2

https://backpack.tf/profiles/76561198071772361#!/compare/1694995200/1695081600

https://backpack.tf/profiles/76561199161916038#!/compare/1694995200/1695081600

No clue

Skipping over gambling histories...

Sale 3

https://backpack.tf/profiles/76561199161916038#!/compare/1695686400/1695772800

https://backpack.tf/profiles/76561198073857011#!/compare/1695600000/1695686400

No clue

Sale 4

https://backpack.tf/profiles/76561198073857011#!/compare/1695772800/1695859200

https://backpack.tf/profiles/76561198849083905#!/compare/1694736000/1695859200

No clue

Sale 5

https://backpack.tf/profiles/76561198849083905#!/compare/1694736000/1695859200

https://backpack.tf/profiles/76561198850274253#!/compare/1695772800/1695859200

No clue, can only match a bit of ref

Mp.tf

https://marketplace.tf/items/tf2/30313;5;u31

$24.99 / $2.05 = ~12 keys (Sep 15)

Total Sales

12

Ranging off lowest (11), and taking 11 - 12 keys as a mini (11.5)

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94 + 128 + 39 + 11.5 = ~273 keys, would check for a cap but glad broken

Rest of this history seems to just be tradebacks(?)

Total Sales

273

https://imgur.com/a/hbo2b6G

Rounding and taking 270 keys c: