Sale 1:

14 keys

https://backpack.tf/profiles/76561198353396915#!/compare/1603324800/1603584000

https://backpack.tf/profiles/76561198970036412#!/compare/1603324800/1603411200

Sale 2:

using on bat hat

https://backpack.tf/profiles/76561198970036412#!/compare/1603584000/1603670400

https://backpack.tf/profiles/76561198055622215#!/compare/1603497600/1603670400

Sale 3:

15.75 rounds to 16 keys

Galactic Codex Head Full of Hot Air(7.75) + 8 keys

https://backpack.tf/profiles/76561198055622215#!/compare/1603929600/1604016000

https://backpack.tf/profiles/76561198254242530#!/compare/1603497600/1604016000

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head full of hot air:

bot.tf:

https://imgur.com/a/pcPtXwx

2 sales at 7 keys

1 sale at 8 keys

MP:

https://marketplace.tf/items/tf2/30662;5;u97

$14.95 / $1.84 = 8.13 keys

$14.95 / $1.80 = 8.31 keys

$13 / $1.81 = 7.18 keys

$15.58 / $1.79 = 8.70 keys

$14.95 / $1.85 = 8.08 keys

$13.50 / $1.88 = 7.18 keys

$14.95 / $1.88 = 7.95 keys

$14.95 / $1.88 = 7.95 keys

$20.00 / $1.88 = 10.64 keys

$14.95 / $1.87 = 7.99 keys

$15.95 / $1.89 = 8.44 keys

Sales:

4 * 7 keys

6 * 8 keys

3 * 8.5 keys

1 * 10.5 keys

calling 10.5 an outlier

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