Update!

Sale 1: https://backpack.tf/profiles/76561197983558864#!/compare/1587859200/1588291200

https://backpack.tf/profiles/76561198363231274#!/compare/1588032000/1588291200

Bulk.

Sale 2: https://backpack.tf/profiles/76561198363231274#!/compare/1588032000/1588291200

https://backpack.tf/profiles/76561198066369838#!/compare/1588204800/1588377600

Sold for a Open Mind Patriot Peak (64 keys) + a Head of Steam Pithy Professional (62 keys) + a Nuts n' Bolts Le Party Phantom (~20 keys) + 6 keys pure.

64 + 62 + 20 + 6 = 152

Sale 3: https://backpack.tf/profiles/76561198066369838#!/compare/1588723200/1588809600

https://backpack.tf/profiles/76561198342476957#!/compare/1588723200/1588809600

Use there.

Sale 4: https://backpack.tf/profiles/76561198342476957#!/compare/1588982400/1589068800

https://backpack.tf/profiles/76561198113065088#!/compare/1587513600/1589155200

No idea, only Logo BoA matches.

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Additional by Scourge:

new sale that literally just happened:

https://marketplace.tf/items/tf2/30066;5;u10

300 / 1.81 = 165.75 keys

no B/O or history that's traceable yet.

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Classies: https://i.imgur.com/a6rZ1Fx.png. 152-166.