https://marketplace.tf/items/tf2/30572;5;u3026

$8.95 / $1.90 = 4.71 keys

$8.99 / $1.81 = 4.97 keys

https://backpack.tf/item/3860099803

https://backpack.tf/item/7986875759

https://backpack.tf/item/3596418743

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https://backpack.tf/profiles/76561198000693929#!/compare/1600819200/1600905600

https://backpack.tf/profiles/76561198021055079#!/compare/1600819200/1600905600

Bulk

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https://backpack.tf/profiles/76561198314211872#!/compare/1597276800/1597363200

https://backpack.tf/profiles/76561198280524116#!/compare/1597276800/1597363200

4 keys, bot.tf confirm

https://bot.tf/stats/item?def=30572&q=5&ef=Static Mist&craft=1&aus=0&ks=0&source=browser_script

https://gyazo.com/d4013de5629241d429aef3602428702c

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https://backpack.tf/profiles/76561198280524116#!/compare/1597276800/1597363200

https://backpack.tf/profiles/76561198145843391#!/compare/1597968000/1601424000

Untraceable

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https://backpack.tf/profiles/76561198145843391#!/compare/1597968000/1601424000

https://backpack.tf/profiles/76561198083750432#!/compare/1601424000/1601510400

Untraceable

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Proof by https://backpack.tf/u/76561198156255538

https://marketplace.tf/items/tf2/30572;5;u3026

7/1.85 = 3.78

Criminal's buy order is gone, I swear his buy orders are hidden half the time and usually way above other quickbuyers so I don't think it should counter 3.8. He also bought one here https://backpack.tf/item/3596418743 (he is current owner) and likely paid less than that. https://bot.tf/stats/listings/M19QKWKQ.

3.8 - 5 should be fine.

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Going with 3.8-5 keys