https://backpack.tf/profiles/76561198415727717#!/compare/1616198400/1618617600

https://backpack.tf/profiles/76561198179707937#!/compare/1617494400/1617667200

Untraceable SCM

https://backpack.tf/profiles/76561198273866103#!/compare/1613433600/1613520000

https://backpack.tf/profiles/76561198316071886#!/compare/1613433600/1613520000

Untraceable

https://backpack.tf/profiles/76561198021228339#!/compare/1619308800/1619395200

https://backpack.tf/profiles/76561198124241068#!/compare/1619049600/1619395200

Bulk

https://backpack.tf/profiles/76561198124241068#!/compare/1620345600/1620432000

https://backpack.tf/profiles/76561198159371376#!/compare/1620345600/1620432000

Added 2 key sweet for Blizzardy Storm Deep Cover Operator, using there

https://backpack.tf/profiles/76561198273866103#!/compare/1613520000/1613606400

https://backpack.tf/profiles/76561198316071886#!/compare/1613433600/1613520000

I don't know, 2 moved at once but none of the histories on key stacks match

https://backpack.tf/profiles/76561198179707937#!/compare/1616198400/1616284800

https://backpack.tf/profiles/76561198453530349#!/compare/1616198400/1616284800

21 keys, 4 refined

https://backpack.tf/profiles/76561198453530349#!/compare/1616284800/1616371200

https://backpack.tf/profiles/76561198110834357#!/compare/1616284800/1616371200

Untraceable, likely sold for 26 key buyout https://gladiator.tf/listings/60583d4b6572eea9269da0b4

https://backpack.tf/profiles/76561198273866103#!/compare/1613433600/1613520000

https://backpack.tf/profiles/76561198143843183#!/compare/1613001600/1613606400

Collector's Professional Killstreak Sydney Sleeper

https://backpack.tf/profiles/76561198260098759#!/compare/1616544000/1616630400

https://backpack.tf/profiles/76561198182837799#!/compare/1616544000/1616630400

Bulk

https://backpack.tf/profiles/76561198182837799#!/compare/1616889600/1616976000

https://backpack.tf/profiles/76561199046992205#!/compare/1616803200/1616976000

Bulk

https://backpack.tf/profiles/76561199046992205#!/compare/1616803200/1616976000

https://backpack.tf/profiles/76561198177146103#!/compare/1616889600/1616976000

Untraceable

https://backpack.tf/profiles/76561198177146103#!/compare/1618099200/1618185600

https://backpack.tf/profiles/76561198197081327#!/compare/1618012800/1618185600

Aces High Gilded Guard (10.5 keys) + 13 keys https://backpack.tf/suggestion/60a2e05e3d42a8660a01b568

Rounding sale to 24 keys

https://backpack.tf/profiles/76561198037674114#!/compare/1619827200/1620000000

https://backpack.tf/profiles/76561198850274253#!/compare/1619740800/1619827200

Untraceable

https://backpack.tf/profiles/76561198296976070#!/compare/1617580800/1617840000

https://backpack.tf/profiles/76561198059282465#!/compare/1617494400/1617753600

untraceable tradeit.gg, looks like it spent 6 months in there before being sold

https://gyazo.com/5ddeb08422cd49d4c195bc65a62fdbef

https://backpack.tf/item/2232828598

duped on mannco.trade at $50 for what looks to be at least 8 months

Sales:

21

24

26?

Going with 21-24