Credits to Blaze for additional sales:

https://gladiator.tf/listings/617db6426a4063e415bf649f

https://backpack.tf/profiles/76561198146046621#!/compare/1635552000/1635638400

https://backpack.tf/profiles/76561198074895734#!/compare/1635465600/1635552000

seems to be 385k from buyer's compare, as 11k was used to buy the pro ks original kit the same day: https://backpack.tf/profiles/76561198107876419#!/compare/1635552000/1635638400

https://backpack.tf/profiles/76561198294629124#!/compare/1635379200/1635465600

https://backpack.tf/profiles/76561198146046621#!/compare/1635379200/1635465600

https://gladiator.tf/listings/617bbcf9b0f6b2bbf37d5281 - sold with 40 keys + double spelled Antlers + Pyroland Nightmare Polar Bear + spelled The Flapjack + Aurora Australis Taunt: The Proletariat Posedown + Bee Swarm Breach and Bomb for Death at Dusk Whirly Warrior

{Spelled Antlers previously sold for 75k:

https://backpack.tf/profiles/76561198079301275#!/compare/1633824000/1634342400

https://backpack.tf/profiles/76561198294629124#!/compare/1633305600/1633910400

https://backpack.tf/item/2712110087

Mini for Pyroland Nightmare Polar Bear at 11k (might not pass but should be fine for mini here): https://backpack.tf/suggestion/61b0ccaa01e595678974447c

Spelled Flapjack (SS) is insignificant here, probably 3-5 keys.

[Aurora Australis Taunt: The Proletariat Posedown mini:

Sales from November https://gladiator.tf/sales?item=Aurora%20Australis%20Taunt:%20The%20Proletariat%20Posedown&at=2021-11-09T04:48:54.260Z

1 @ 5 keys 5 ref

1 @ 13 keys

https://backpack.tf/profiles/76561198094715358#!/compare/1637452800/1637539200

10 keys

5-13k, 9k midpoint.]

Bee Swarm Breach and Bomb in-date at ~15k.

Death at Dusk Whirly Warrior in-date at 425k.

425 - (40 + 75 + 11 + 3 + 9 + 15) = ~270 keys

This sale would probably be on the low side, basically at buy orders.}

https://backpack.tf/item/7790808013

https://backpack.tf/profiles/76561198044719739#!/compare/1633219200/1633305600

bulky for demonflame brown bomber, everything here is in-date but the value for the whirly comes out being pretty low (~290) so not using

https://backpack.tf/item/3280941661

https://backpack.tf/profiles/76561198158206236#!/compare/1628640000/1628812800

125k + dbd whirly (150.5) + pro ks aussie medi gun + clairvoyance translator (80)

medi is ~91k given sales and current classies: https://gladiator.tf/sales?item=Strange%20Professional%20Killstreak%20Australium%20Medi%20Gun&at=2021-10-25T15:31:20.338Z

125 + 150.5 + 91 + 80 = 446.5k

Blaze noted this caps at 400k B/O: https://gladiator.tf/listings/611409ca5755779f8bd7dd06

Sales:

385, 400

270 is bulky and low, so 385-400k.