Item 1

https://backpack.tf/item/528828339

Sale #1

Untraceable?-

Seller: https://backpack.tf/profiles/76561198054464807#!/compare/1696723200/1696982400

Buyer: https://backpack.tf/profiles/76561198086948995#!/compare/1696809600/1696982400

Sale #2

Sold for 100 keys (ID "13729774095" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198086948995#!/compare/1698537600/1698624000

Buyer: https://backpack.tf/profiles/76561198126572209#!/compare/1698537600/1700006400

Item 2

https://backpack.tf/item/387568450

Sale #3

Sold for 95 keys (keys in the bulk match histories)-

Seller: https://backpack.tf/profiles/76561198158206236#!/compare/1693958400/1694131200

Buyer: https://backpack.tf/profiles/76561198840412807#!/compare/1681516800/1694908800

Sale #4

Untraceable?-

Seller: https://backpack.tf/profiles/76561198800485940#!/compare/1701216000/1701388800

Buyer: https://backpack.tf/profiles/76561198840412807#!/compare/1701216000/1701561600

MP.TF Sale #1

Sold for $199.99 on October 27, 2023

Average Key Price @ $1.85ish

199.99/1.85 = 108.10ish keys

Unknown History

https://marketplace.tf/items/tf2/383;5;u8

Sales @ 95, 100, 108

Rounding and taking 95-110 here :3