https://backpack.tf/profiles/76561198093482215#!/compare/1612396800/1612828800

https://backpack.tf/profiles/76561198152219414#!/compare/1612483200/1612569600

Only 1 key matches

https://backpack.tf/profiles/76561198152219414#!/compare/1612569600/1612656000

https://backpack.tf/profiles/76561198173519105#!/compare/1612569600/1612656000

20 keys

https://mannco.store/item/539

$38.24 / $1.86 = 20.56 keys

https://marketplace.tf/items/tf2/15058;15;u702;w2;pk58;kt-3

$45 / $2.19 = 20.55 keys

https://backpack.tf/profiles/76561198041283297#!/compare/1616025600/1616112000

https://backpack.tf/profiles/76561198135471163#!/compare/1616025600/1616112000

Untraceable

https://backpack.tf/profiles/76561198135471163#!/compare/1616025600/1616112000

https://backpack.tf/profiles/76561198066220061#!/compare/1616025600/1616112000

Untraceable

https://backpack.tf/profiles/76561198066220061#!/compare/1616025600/1616112000

https://backpack.tf/profiles/76561198066311459#!/compare/1616025600/1616112000

https://gyazo.com/bc53530c7b21b47cf6476da3d42a51b6

This sale is 14 keys, confirmation screenshot

14 keys sold in a day in a tip off from me

https://gyazo.com/6743898cfc53d1344ce1c0585a9960b9

3 month seller at 20

sales are 20, 21, 21 but the two 21 sales are really 20.55 and 20.56

lets include 21 despite the 20 key seller and roll with 20-21

https://mannco.store/item/539

https://backpack.tf/item/8220802459

$38.11 / $1.90 = 20.06 keys

https://backpack.tf/profiles/76561198110677513#!/compare/1618876800/1619049600

https://backpack.tf/profiles/76561199100906514#!/compare/1618963200/1619049600

https://gyazo.com/b7635a1d8fcaaa4590db7f912fe67be6

I received it for 11 key buy order