Sale 1:

https://backpack.tf/profiles/76561198085170748#!/compare/1590105600/1594598400

https://backpack.tf/profiles/76561198077929459#!/compare/1590019200/1590105600

Can trace 1 key

sale 2:

https://backpack.tf/profiles/76561198077929459#!/compare/1590019200/1590105600

https://backpack.tf/profiles/76561198811180962#!/compare/1590019200/1590105600

Sold with ~2 keys in sweets for KAW Shako

Shako Mini:

https://backpack.tf/suggestion/5f2756379209f3454e2c049b

Suggestion for 8.25 keys

Total is 6.25 keys

sale 3:

https://backpack.tf/profiles/76561198086809084#!/compare/1590364800/1590883200

https://backpack.tf/profiles/76561198841279602#!/compare/1590278400/1590364800

QS

sale 4:

https://backpack.tf/profiles/76561198841279602#!/compare/1594857600/1594944000

https://backpack.tf/profiles/76561198080179568#!/compare/1594684800/1595116800

untrace

sale 5:

https://backpack.tf/profiles/76561198158439929#!/compare/1588550400/1588723200

https://backpack.tf/profiles/76561198062413553#!/compare/1587600000/1588550400

Bulk / untrace

sale 6:

https://backpack.tf/profiles/76561198062413553#!/compare/1588550400/1588723200

https://backpack.tf/profiles/76561198020673987#!/compare/1588464000/1588550400

https://backpack.tf/profiles/76561198850274253#!/compare/1589068800/1589155200

https://backpack.tf/profiles/76561198850178158#!/compare/1589932800/1590019200

Untrace / Bulk / QS

sale 7:

https://backpack.tf/profiles/76561198850178158#!/compare/1591920000/1592006400

https://backpack.tf/profiles/76561198063383864#!/compare/1591833600/1592006400

Untrace / Bulk

sale 8:

https://backpack.tf/profiles/76561198063383864#!/compare/1592006400/1592092800

https://backpack.tf/profiles/76561198057317414#!/compare/1592006400/1592092800

Untrace / Bulk

Sale 9:

https://backpack.tf/profiles/76561198057317414#!/compare/1592092800/1592611200

https://backpack.tf/profiles/76561198005070905#!/compare/1592092800/1592179200

https://backpack.tf/profiles/76561198218141275#!/compare/1567641600/1592265600

Untrace/ Bulk

sale 10:

https://marketplace.tf/items/tf2/481;5;u57

$13.99 / $1.90 = 7.36 keys

$13.99 / $1.90 = 7.36 keys

$13.99 / $1.89 = 7.40 keys

Total sales @:

6.5, 7.5, 7.5, 7.5 keys

stn seller for ~6.5 keys:

https://i.imgur.com/xKjDK2S.jpg

https://backpack.tf/item/7957283451

unsold for up to 2 months.

Taking 6.5 - 7.5 keys