Resuggesting! Made a small counting error last time so fixing it here, thank you K1ng for pointing it out!

Item 1

https://backpack.tf/item/12192544154

Sale #1

Sold for 30 keys + 0.11 refined (ID "13586188909" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561199241226268#!/compare/1682985600/1695859200

Buyer: https://backpack.tf/profiles/76561199388511269#!/compare/1695772800/1695859200

Item 2

https://backpack.tf/item/12177041001

Sale #2

Sold for 34 keys + 0.11 refined (ID "13230245415" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1688860800/1688947200

Buyer: https://backpack.tf/profiles/76561197963356026#!/compare/1688947200/1689033600

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561197963356026#!/compare/1689811200/1689897600

Buyer: https://backpack.tf/profiles/76561198799160876#!/compare/1689811200/1690243200

MP.TF Sale #1

Sold for $89.99 on October 2, 2023

Average Key Price @ $2.03ish

89.99/2.03 = 44.33ish keys

https://backpack.tf/item/13592447312

https://marketplace.tf/items/tf2/31262;5;u258

Sales @ 30, 34, 44

Taking 34-44 here