Resuggest of https://backpack.tf/suggestion/61fe924005f4254bf529602b

Thanks to Lemons for Freebie

Sale 1:

Untrace

https://backpack.tf/profiles/76561198079209098#!/compare/1639872000/1640736000

https://backpack.tf/profiles/76561199197624825#!/compare/1640476800/1640563200

Sale 2:

Untrace

https://backpack.tf/profiles/76561199197624825#!/compare/1643760000/1643846400

https://backpack.tf/profiles/76561198195205727#!/compare/1643760000/1643846400

Sale 3:

Untrace

https://backpack.tf/profiles/76561198872463968#!/compare/1636848000/1636934400

https://backpack.tf/profiles/76561198387457935#!/compare/1636761600/1636848000

Sale 4:

Sold for 21k

https://backpack.tf/profiles/76561198387457935#!/compare/1639180800/1639267200

https://backpack.tf/profiles/76561198067157049#!/compare/1639267200/1640649600

Sale 5:

Sold for 41.99$ on marketplace in Nov 18

https://marketplace.tf/items/tf2/106;5;u30

41.99$/1.92$=22k

Sale 6:

Untrace

https://backpack.tf/profiles/76561198135388328#!/compare/1637539200/1637625600

https://backpack.tf/profiles/76561198274855163#!/compare/1637539200/1637625600

Sale 7:

Untrace

https://backpack.tf/profiles/76561198274855163#!/compare/1638662400/1638748800

https://backpack.tf/profiles/76561199202090646#!/compare/1638662400/1638748800

Sale 8:

Sold for 48.99$ on marketplace in Dec 30

https://marketplace.tf/items/tf2/106;5;u30

48.99$/1.83$=27k

Sales 9 & 10(Ty blaze)

https://marketplace.tf/items/tf2/106;5;u30 - sold for $53.99 (31 keys), $41.99 (24 keys)

Sales

21

22

24

27

31

Taking 21-31k here, as per Blaze's advice