https://backpack.tf/profiles/76561198054198170#!/compare/1569888000/1569974400

https://backpack.tf/profiles/76561198047296815#!/compare/1569801600/1569974400

270 keys

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https://backpack.tf/profiles/76561198047296815#!/compare/1572048000/1572134400

https://backpack.tf/profiles/76561198088984882#!/compare/1571961600/1572134400

42 keys, Secret Anger, Peace Hive Minder

Peace Hive Minder doesn't have any sales. Been unsold on SCM for $33-34 usd for over a month.

Secret Anger being suggested to ~186 keys though, so this at least puts this around 230 keys.

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https://backpack.tf/profiles/76561198088984882#!/compare/1573862400/1573948800

https://backpack.tf/profiles/76561198071640799#!/compare/1573516800/1573948800

90 keys + Arcana Medic Mountain Cap (200 keys)

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https://backpack.tf/profiles/76561198071640799#!/compare/1574121600/1574208000

https://backpack.tf/profiles/76561198269395083#!/compare/1574121600/1574208000

Using on the Knifestorm Stahlhelm

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https://marketplace.tf/items/tf2/174;5;u81

$396.01 = 226 keys

$444.00 = 261 keys

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Sales:

226

230+

270

290

lets go 225-290

Peace Hive Minder finally has a mini:

https://backpack.tf/suggestion/5e11f26115497b3c92676b65

So the Secret Anger sale would be around 243 keys.