And now I go to sleep..

Sold for Frozen Icefall Bumble Beenie (85 keys) + 4 keys + Strange Iron Bomber (1 key)

https://backpack.tf/profiles/76561198114402400#!/compare/1586822400/1586908800

https://backpack.tf/profiles/76561198069302272#!/compare/1586822400/1586908800

85 + 4 + 1 = 90 keys

Sold with 32 keys + strange australium rocket launcher (33 keys) + CAPPER (2.2 keys) + Earbuds (2.775 keys) for Burning Flames Brigade Helm (118.5 keys)

https://backpack.tf/profiles/76561198019444443#!/compare/1585958400/1586044800

https://backpack.tf/profiles/76561198114402400#!/compare/1585958400/1586044800

118.5 - 33 - 32 - 2.2 - 2.775 = 48.525 rounding to 49 keys

Sold for 150 on May 3, 2020

150/1.87 = 80.21 rounding to 80 keys

https://marketplace.tf/items/tf2/248;5;u69

https://backpack.tf/item/1687597289

Quick mini for the Brigade Helm:

Sold for 215 on May 19, 2020 (215/1.89 = 113.75 rounding to 114 keys)

Sold for 237.99 on May 26, 2020 (237.99/1.93 = 123.31 rounding to 123 keys)

https://marketplace.tf/items/tf2/105;5;u13

Taking a range of 114-123 keys for the Brigade.

Classifieds:

https://gyazo.com/6ab530716b8ba2170a84ca1a2b2764f8

Sales at 49, 80, and 90. Buyers at 60+. Excluding 49.

Taking a range of 80-90 keys here.