Item 1

https://backpack.tf/item/10967507210

First sale seems like it was bought from a bot and then instantly dumped to an STN bot, not taking that sale into consideration

Sale #1

Untraceable?-

Seller: https://backpack.tf/profiles/76561199026390261#!/compare/1685923200/1686009600

Buyer: https://backpack.tf/profiles/76561198978238969#!/compare/1685664000/1686096000

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561198978238969#!/compare/1686873600/1687132800

Buyer: https://backpack.tf/profiles/76561198169799653#!/compare/1686960000/1687046400

Item 2

https://backpack.tf/item/12750540515

Second sale is a transfer between owner to bot

Sale #3

Bulk transfer-

Seller: https://backpack.tf/profiles/76561199101508611#!/compare/1686700800/1686787200

Buyer: https://backpack.tf/profiles/76561199041022874#!/compare/1686700800/1686787200

Marketplace.tf Sales

https://marketplace.tf/items/tf2/31216;5;u33

MP.TF Sale #1

Sold for $69.99 on May 29, 2023

Estimated Price @ $1.99ish

69.99/1.99 = 35.17ish keys

MP.TF Sale #2

Sold for $69.99 on August 9, 2023

Average Key Price @ $1.99ish

69.99/1.99 = 35.17ish keys

MP.TF Sale #3

Sold for $69.99 on August 17, 2023

Average Key Price @ $2.02ish

69.99/2.02 = 34.64ish keys

MP.TF Sale #4

Sold for $74.99 on August 28, 2023

Average Key Price @ $1.99ish

74.99/1.99 = 37.68ish keys

Sales @ 35, 35, 35, 38

Taking 35 flat