Resuggestion from https://backpack.tf/suggestion/5f1ed3a542b52069743a2dc9

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https://marketplace.tf/items/tf2/920;5;u108

May 26 - $299.99 / $1.93 = 155.44 keys

July 8 - $299.99 / $1.99 = 150.75 keys

July 17 - $299.99 / $1.97 = 152.28 keys

July 19 - $299.99 / $1.97 = 152.28 keys

August 14 - $240 / $1.80 = 133.33 keys

August 21 - $230 / $1.79 = 128.49 keys

August 21 - $299.99 / $1.79 = 167.59 keys

Possibly 155 key buyout on the May 26 / 155 sale https://bot.tf/stats/listings/Y80WGEDD

One of these July sales with a 150 key buyout https://bot.tf/stats/listings/4O9RO68Q

Another July sale with a 150 key buyout https://bot.tf/stats/listings/4O922Z5V

The August sales have no traceable/relevant buyouts

https://backpack.tf/item/5219569547

https://backpack.tf/item/5185872407 This is the August 14 sale

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https://backpack.tf/profiles/76561198076658601#!/compare/1590796800/1590883200

https://backpack.tf/profiles/76561198126887938#!/compare/1590796800/1590883200

Bulk

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https://backpack.tf/profiles/76561198126887938#!/compare/1592092800/1592179200

https://backpack.tf/profiles/76561198109141608#!/compare/1592006400/1592179200

Bulk

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https://backpack.tf/profiles/76561198109141608#!/compare/1592179200/1592265600

https://backpack.tf/profiles/76561198160856661#!/compare/1592179200/1592265600

Burning Brigade Helm

This sale put the Crone's up at 140 for a brief moment, but is currently not listed now

https://bot.tf/stats/listings/M0OGGK1X

And the Brigade ended up quickselling afterwards https://backpack.tf/suggestion/5f0f2d2935fe86187b02c7e3

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https://backpack.tf/profiles/76561198160856661#!/compare/1593388800/1593475200

https://backpack.tf/profiles/76561198361477763#!/compare/1564444800/1594425600

Looks like a Marketplace sale

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https://backpack.tf/profiles/76561198082915556#!/compare/1586908800/1596326400

https://backpack.tf/profiles/76561197994807463#!/compare/1559347200/1596499200

Untraceable

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Sales:

126.5

128

133

150

150

151 or 152

155

168

Rounding for 125-170