Here we go again

https://backpack.tf/item/5644770293

Sale 1:

https://backpack.tf/profiles/76561198056440779#!/compare/1506211200/1620604800

https://backpack.tf/profiles/76561199106217370#!/compare/1620518400/1620604800

Untrace

https://backpack.tf/item/5378269544

Sale 2:

https://backpack.tf/profiles/76561198200976953#!/compare/1624579200/1624665600

https://backpack.tf/profiles/76561199116198115#!/compare/1624492800/1624579200

sold for 13 keys, 21.33 ref

Sale 3:

https://backpack.tf/profiles/76561199116198115#!/compare/1624579200/1624665600

Untrace

https://backpack.tf/item/9988396090

Sale 4:

https://backpack.tf/profiles/76561198453530349#!/compare/1619740800/1619827200

https://backpack.tf/profiles/76561199106221242#!/compare/1619740800/1619827200

Untrace

Sale 5:

https://backpack.tf/profiles/76561199106221242#!/compare/1621468800/1621555200

https://backpack.tf/profiles/76561199101508611#!/compare/1621468800/1621555200

Untrace

Sale 6:

https://backpack.tf/profiles/76561199101508611#!/compare/1623024000/1623110400

https://backpack.tf/profiles/76561198093438754#!/compare/1623024000/1623110400

Untrace

Then it got moved to mp.tf, however...

Sale 7:

https://marketplace.tf/items/tf2/30307;5;u11

1 sold on 6/4 @ 44.99 USD

https://marketplace.tf/items/tf2/5021;6

Keys that day @ 2.00 USD

44.99 / 2 = 22.49 -> 22 keys

https://backpack.tf/item/8482944551

Sale 8:

https://backpack.tf/profiles/76561198155185583#!/compare/1619568000/1620172800

https://backpack.tf/profiles/76561199110809353#!/compare/1619568000/1619654400

Untrace

(Skipping to Thomas cuz they both quicksell bots

Sale 9:

https://backpack.tf/profiles/76561198070038700#!/compare/1620691200/1620777600

https://backpack.tf/profiles/76561198850121720#!/compare/1620691200/1620777600

21 keys (I definitely didn't look through key histories 1 by 1 ._. )

https://backpack.tf/item/7957260613

Sale 10:

https://backpack.tf/profiles/76561199110809353#!/compare/1620000000/1620086400

https://backpack.tf/profiles/76561198093688740#!/compare/1620000000/1620086400

Sold for a HG Madame Dixie & killstreak conscientious objector

Final sales at 21 & 22

No reason to exclude either, taking 21-22 keys