History 1: https://backpack.tf/item/7245955666

Sold to a quickbuyer:

https://backpack.tf/profiles/76561198024410622#!/compare/1611446400/1611532800

https://backpack.tf/profiles/76561198841279602#!/compare/1611446400/1611532800

8 keys match in buyer's compare:

https://backpack.tf/profiles/76561198841279602#!/compare/1612915200/1613001600

https://backpack.tf/profiles/76561198119904477#!/compare/1613001600/1614038400

Matches the buyout https://gladiator.tf/listings/6024518d8b2d349933043e9d

History 2: https://backpack.tf/item/7226009583

Looks like a tradeback from Quicksell.Store

Sold for 8 keys:

https://backpack.tf/profiles/76561199084784906#!/compare/1612310400/1612396800

https://backpack.tf/profiles/76561198110372167#!/compare/1523836800/1615593600

History 3: https://backpack.tf/item/6969853297

Sold on Marketplace.tf: https://marketplace.tf/items/tf2/30843;5;u3018

March 18: $25/2.19=11.42 ~11 keys

Bulk to a quickbuyer:

https://backpack.tf/profiles/76561198844249356#!/compare/1616198400/1617148800

https://backpack.tf/profiles/76561198316071886#!/compare/1616112000/1616198400

Sales at 8, 8, 11

Given 11 got dumped within around a week, that sale shouldn't be used. Going with 8 flat, it's all full pure too