Item 1

https://backpack.tf/item/11710667653

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561199085116273#!/compare/1691712000/1691798400

Buyer: https://backpack.tf/profiles/76561198171082595#!/compare/1689897600/1693612800

Sale #2

Bulk sale-

Seller: https://backpack.tf/profiles/76561198171082595#!/compare/1693612800/1693872000

Buyer: https://backpack.tf/profiles/76561199315621199#!/compare/1693785600/1693872000

Sale #3

Sold for 38 keys + a Starduster (5.46ish keys) (ID "13602815448" of the unusual matches but histories of the items trace) = 43.46ish keys-

Seller: https://backpack.tf/profiles/76561199315621199#!/compare/1696118400/1696204800

Buyer: https://backpack.tf/profiles/76561198102399040#!/compare/1695168000/1696204800

Sale #4

Bulk sale-

Seller: https://backpack.tf/profiles/76561198102399040#!/compare/1695168000/1696204800

Buyer: https://backpack.tf/profiles/76561198311498888#!/compare/1696118400/1696204800

Sale #5

Sold for 37 keys + 1.11 refined-

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1696291200/1696377600

Buyer: https://backpack.tf/profiles/76561198872222015#!/compare/1696291200/1696377600

Sale #6

Bulk sale-

Seller: https://backpack.tf/profiles/76561198872222015#!/compare/1696550400/1696636800

Buyer: https://backpack.tf/profiles/76561198220098345#!/compare/1696464000/1696550400

Sales @ 37, 43

Taking 37-43 here