Resuggesting! Thank you to DryDroche for providing proof of the sales that were once untraceable!

Item 1

https://backpack.tf/item/9165477930

Proof for both sales in this history

Sale #1

Sold for 38 keys + 13.66 refined-

Seller: https://backpack.tf/profiles/76561199026390261#!/compare/1689811200/1689897600

Buyer: https://backpack.tf/profiles/76561198214802583#!/compare/1689292800/1689811200

Sale #2

Sold for 40 keys + 20 refined + a Diplomat (13 refined) + A Well Wrapped Hat (5.55 refined) (not sure if this is the right sale links but can't find the seller shown in the proof provided)-

Seller: https://backpack.tf/profiles/76561198214802583#!/compare/1689897600/1690070400

Buyer: https://backpack.tf/profiles/76561198324237307#!/compare/1688083200/1690329600

MP.TF Sale #1

Sold for $109.99 on August 21, 2023

Average Key Price @ $2.02ish

109.99/2.02 = 54.45ish keys

https://marketplace.tf/items/tf2/31115;5;u10

Sales @ 38, 41, 54

Taking 38-54 here