https://backpack.tf/item/2825018694

Sold alongside Fragmented Quarks Winter Wrap Up for 97 keys:

https://backpack.tf/profiles/76561198204080504#!/compare/1698364800/1698451200

https://backpack.tf/profiles/76561199023637941#!/compare/1698192000/1698451200

Gladiator.tf time machine is broken so I can't check if there were any buyouts, excluding for now since this counts as bulk if there were no buyouts

Bulk for SF Brown Bomber:

https://backpack.tf/profiles/76561199023637941#!/compare/1698451200/1698537600

https://backpack.tf/profiles/76561198125791160#!/compare/1698451200/1698537600

23 keys:

https://backpack.tf/profiles/76561198125791160#!/compare/1700956800/1701043200

https://backpack.tf/profiles/76561198052218255#!/compare/1701043200/1701216000

https://backpack.tf/item/7228116115

24 keys:

https://backpack.tf/profiles/76561199059698603#!/compare/1699056000/1699142400

https://backpack.tf/profiles/76561198005024430#!/compare/1699142400/1699228800

Dumped back to QSStore but only a bit of metal matches:

https://backpack.tf/profiles/76561198005024430#!/compare/1701129600/1703462400

https://backpack.tf/profiles/76561199059698603#!/compare/1701043200/1701129600

9 keys match in seller's compare, 5 match in buyer's, more must have been involved since buyers are way higher

https://backpack.tf/profiles/76561199059698603#!/compare/1703289600/1703376000

https://backpack.tf/profiles/76561198245073272#!/compare/1703289600/1703376000

Person who bought it at 24 dumped it afterwards so excluding that sale and going with 23 keys flat

This history appeared https://backpack.tf/item/12197600249

Looks like bulk:

https://backpack.tf/profiles/76561198957502462#!/compare/1702684800/1703548800

https://backpack.tf/profiles/76561199099521803#!/compare/1702598400/1702684800

Untrace:

https://backpack.tf/profiles/76561199099521803#!/compare/1703289600/1703376000

https://backpack.tf/profiles/76561198078505353#!/compare/1653696000/1706054400