History 1: https://backpack.tf/item/8377674718

Untraceable:

https://backpack.tf/profiles/76561198192130986#!/compare/1604188800/1605484800

https://backpack.tf/profiles/76561198834896067#!/compare/1605052800/1605225600

3 keys 0.88 ref match:

https://backpack.tf/profiles/76561198834896067#!/compare/1605398400/1605484800

https://backpack.tf/profiles/76561198005032783#!/compare/1605484800/1605571200

Untraceable/dumped to Quicksell.Store:

https://backpack.tf/profiles/76561198005032783#!/compare/1605657600/1605744000

https://backpack.tf/profiles/76561199084784906#!/compare/1605657600/1605744000

Untraceable:

https://backpack.tf/profiles/76561199084784906#!/compare/1611446400/1611532800

https://backpack.tf/profiles/76561198252275462#!/compare/1602806400/1611532800

History 2: https://backpack.tf/item/8229594546

Marketplace.tf sale, dunno which one since they're all close together

Untraceable/dump to Quicksell.Store:

https://backpack.tf/profiles/76561198849930705#!/compare/1607126400/1607558400

https://backpack.tf/profiles/76561199084784906#!/compare/1607126400/1607212800

Marketplace.tf sales: https://marketplace.tf/items/tf2/1117;5;u3035

November 7: $11/1.81=6.08 ~6 keys

November 20: $9.95/1.75=5.69 ~5.5 keys

November 23: $13/1.75=7.43 ~7.5 keys

Sales at 5.5, 6, 7.5

Seller at 7 keys has been there for over a month https://gladiator.tf/listings/5fdd945ee9fd79273326c669 https://backpack.tf/item/8229594546

7.5 looks like an outlier, going 5.5-6