Credits once again to zoitube for the information!

Item 1

https://backpack.tf/item/5216164257

Ignoring the transfer between Dolphin bots

Sale #1

Sold for a Dead Presidents Helmet Without a Home + 55 keys (keys in buyer's side match)-

Seller: https://backpack.tf/profiles/76561199110809353#!/compare/1697932800/1698019200

Buyer: https://backpack.tf/profiles/76561198201259645#!/compare/1698019200/1698278400

Sale #2

Only one refined traces when using ID "13722125527" of the unusual, dumped for an incomplete amount-

Seller: https://backpack.tf/profiles/76561198201259645#!/compare/1698278400/1698364800

Buyer: https://backpack.tf/profiles/76561199085308746#!/compare/1698278400/1698364800

Sale #3

Untraceable, most likely bought and instantly dumped again-

Seller: https://backpack.tf/profiles/76561199032721186#!/compare/1702684800/1702771200

Buyer: https://backpack.tf/profiles/76561199026390261#!/compare/1702684800/1702771200

Sale #4

Sold for 58 keys + 38.11 refined-

Seller: https://backpack.tf/profiles/76561199026390261#!/compare/1702944000/1703030400

Buyer: https://backpack.tf/profiles/76561198215813163#!/compare/1702944000/1703030400

Proof of Sale: https://imgur.com/a/RD8bho8

MP.TF Sale #1

Sold for $99.99 on December 16, 2023

Average Key Price @ $1.72ish

99.99/1.72 = 58.13ish keys

https://backpack.tf/item/5198823516

https://marketplace.tf/items/tf2/30026;5;u110

Sales @ 58, 59

Taking 58-59 here :3