https://www.youtube.com/watch?v=piZdBsCqZkE

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history #1 - https://backpack.tf/item/952796303

Sale #1 - 29 keys (counted key histories leaving buyers bp)

https://backpack.tf/profiles/76561199111073161#!/compare/1720742400/1720828800

https://backpack.tf/profiles/76561198318138402#!/compare/1720828800/1720915200

history #2 - https://backpack.tf/item/13991311761

Sale #1 - 23 keys

https://backpack.tf/profiles/76561199564942025#!/compare/1722211200/1722297600

https://backpack.tf/profiles/76561198859815156#!/compare/1722211200/1722297600

Sale #2 - untrace

https://backpack.tf/profiles/76561198308299646#!/compare/1722211200/1722297600

https://backpack.tf/profiles/76561198859815156#!/compare/1722211200/1722297600

Sale #3 - hard to say given the user bought 2 items.

https://backpack.tf/profiles/76561198308299646#!/compare/1722297600/1722384000

https://backpack.tf/profiles/76561198140565712#!/compare/1722297600/1722384000

Sale #4 - 30 keys

https://backpack.tf/profiles/76561198140565712#!/compare/1726012800/1726099200

https://backpack.tf/profiles/76561199742551901#!/compare/1726012800/1726099200

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Classi - https://gyazo.com/f7e74c23e471b9202a8422eeb37ef875

Gonna exclude the 30 key sale as the user is reselling for 25.

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Given the seller at 25 and long standing seller at 29, I will also exclude 29 keys and take 23 flat.