Sale 1:

https://backpack.tf/profiles/76561198827759757#!/compare/1591056000/1591228800

https://backpack.tf/profiles/76561198183617811#!/compare/1591142400/1591228800

Untrace

sale 2:

https://backpack.tf/profiles/76561198352231577#!/compare/1591401600/1591488000

https://backpack.tf/profiles/76561198100484031#!/compare/1591315200/1591488000

https://backpack.tf/profiles/76561198151481563#!/compare/1588464000/1591488000

https://backpack.tf/profiles/76561197994407233#!/compare/1591228800/1591488000

https://backpack.tf/profiles/76561198880361166#!/compare/1591401600/1591574400

Untrace / Bulk / Gambling

sale 3:

https://backpack.tf/profiles/76561198155249592#!/compare/1591833600/1592179200

https://backpack.tf/profiles/76561198124082713#!/compare/1591747200/1591833600

Untrace

sale 4:

https://backpack.tf/profiles/76561198124082713#!/compare/1591747200/1591833600

https://backpack.tf/profiles/76561198026973706#!/compare/1591747200/1591833600

Sold for 6 keys

sale 5:

https://backpack.tf/profiles/76561198026973706#!/compare/1591747200/1591833600

https://backpack.tf/profiles/76561198340848126#!/compare/1591747200/1591920000

sold with keys for something...

sale 6:

https://backpack.tf/profiles/76561198340848126#!/compare/1592006400/1592092800

https://backpack.tf/profiles/76561198872227078#!/compare/1593388800/1593475200

Untrace

sale 7:

https://backpack.tf/profiles/76561198872227078#!/compare/1593820800/1593907200

https://backpack.tf/profiles/76561198954172366#!/compare/1593820800/1593907200

Sold with 1 key for Steaming Airdog(8.5)

Total is 7.5 keys

sale 8:

https://backpack.tf/profiles/76561198954172366#!/compare/1593820800/1593907200

https://backpack.tf/profiles/76561198132463215#!/compare/1593043200/1593820800

sold whit ~2 keys in sweets for C9 Base Metal(6.75)

Total is 4.75 keys

sale 9:

https://backpack.tf/profiles/76561198132463215#!/compare/1594252800/1594339200

https://backpack.tf/profiles/76561198119198857#!/compare/1594598400/1594684800

Untrace / bulk

sale 10:

https://backpack.tf/profiles/76561198119198857#!/compare/1594684800/1594944000

https://backpack.tf/profiles/76561198337734785#!/compare/1594684800/1594944000

QS

sale 11:

https://backpack.tf/profiles/76561198400492976#!/compare/1591747200/1591833600

https://backpack.tf/profiles/76561198873539085#!/compare/1587772800/1591747200

Untrace

sale 12:

https://backpack.tf/profiles/76561198873539085#!/compare/1591747200/1591833600

https://backpack.tf/profiles/76561198061779536#!/compare/1591747200/1591833600

Sold with ~0.49 keys in sweets for Bubbling Carouser

use there

sale 13:

https://backpack.tf/profiles/76561198020673987#!/compare/1589155200/1589241600

https://backpack.tf/profiles/76561198850274253#!/compare/1589155200/1589241600

https://backpack.tf/profiles/76561198037674114#!/compare/1587254400/1589932800

https://backpack.tf/profiles/76561198850178158#!/compare/1591228800/1591315200

Bulk / QS

sale 14:

https://backpack.tf/profiles/76561198341171690#!/compare/1590537600/1590624000

https://backpack.tf/profiles/76561198386333781#!/compare/1590537600/1590624000

https://backpack.tf/profiles/76561198453530349#!/compare/1590537600/1590624000

Sold for 6 then QS same day.

sale 15:

https://backpack.tf/profiles/76561198453530349#!/compare/1590796800/1590883200

https://backpack.tf/profiles/76561198828917468#!/compare/1591920000/1592438400

Untrace

sale 16:

https://backpack.tf/profiles/76561198828917468#!/compare/1592438400/1593648000

https://backpack.tf/profiles/76561198931095630#!/compare/1593820800/1593907200

Sold with ~3 keys in sweets for.... something

sale 17:

https://backpack.tf/profiles/76561198931095630#!/compare/1593907200/1593993600

https://backpack.tf/profiles/76561198357428287#!/compare/1593475200/1593993600

Sold for 6 keys

sale 18:

https://backpack.tf/profiles/76561198357428287#!/compare/1593993600/1594166400

https://backpack.tf/profiles/76561198325368371#!/compare/1593993600/1594080000

Sold for ~7.5 keys

sale 19:

https://backpack.tf/profiles/76561198325368371#!/compare/1594080000/1594166400

https://backpack.tf/profiles/76561198337734785#!/compare/1594080000/1594166400

QS

sale 20:

https://backpack.tf/profiles/76561198337734785#!/compare/1590710400/1590796800

https://backpack.tf/profiles/76561198271779161#!/compare/1590537600/1594080000

untrace

sale 21:

https://backpack.tf/profiles/76561198020673987#!/compare/1589155200/1589241600

https://backpack.tf/profiles/76561198850274253#!/compare/1589155200/1589241600

https://backpack.tf/profiles/76561198067719183#!/compare/1589414400/1589500800

https://backpack.tf/profiles/76561198037674114#!/compare/1587254400/1589932800

https://backpack.tf/profiles/76561198850178158#!/compare/1591228800/1591315200

Bulk / QS / Untrace

sale 22:

https://marketplace.tf/items/tf2/30007;5;u60

$13.99 / $2.01 = 6.96 keys

Total sales @:

4.75, 6, 6, 7, 7.5, 7.5 keys

buyers up to ~5.76 keys,

unsold at ~7.5 keys for nearly a month:

https://i.imgur.com/IkB3Awx.jpg

taking 6 - 7.5 keys.