Resuggesting for Timtee, thank you for letting me do this for you and for Bubbles for providing the screenshot here!

Item 1

https://backpack.tf/item/12943204277

Sale #1

Sold for 20 keys (ID "13464290017" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198045466865#!/compare/1692662400/1693440000

Buyer: https://backpack.tf/profiles/76561198267639290#!/compare/1693440000/1696377600

Item 2

https://backpack.tf/item/12378259779

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561199013129449#!/compare/1696118400/1696636800

Buyer: https://backpack.tf/profiles/76561198103405324#!/compare/1696464000/1696550400

Sale #3

Bulk dump-

Seller: https://backpack.tf/profiles/76561198103405324#!/compare/1698796800/1698883200

Buyer: https://backpack.tf/profiles/76561198311498888#!/compare/1698796800/1698883200

Sale #4

Sold for 8 keys + 0.88 refined? (ID "13759528362" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1699056000/1699142400

Buyer: https://backpack.tf/profiles/76561198069143099#!/compare/1699056000/1699142400

Sale #5

Sold for 18 keys (ID "13759756979" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198069143099#!/compare/1699056000/1699142400

Buyer: https://backpack.tf/profiles/76561198105034368#!/compare/1698969600/1699142400

Proof of Sale: https://imgur.com/a/lsrLjcz

Sales @ 18, 20

Taking 18-20 here