Item 1

https://backpack.tf/item/11745454974

Sale #1

Keys in buyer's side match only 43 keys, incomplete-

Seller: https://backpack.tf/profiles/76561198810018122#!/compare/1692057600/1692921600

Buyer: https://backpack.tf/profiles/76561198028171245#!/compare/1689811200/1695859200

Item 2

https://backpack.tf/item/11165950278

First two sales were a trade-back between a user an STN bots so not looking at those

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1693526400/1694044800

Buyer: https://backpack.tf/profiles/76561198154685875#!/compare/1673308800/1694044800

Item 3

https://backpack.tf/item/10142652060

Sale #3

Sold for 100 keys (compare in the buyer's side is clean enough, seller had a sell order at the exact amount as well)-

Seller: https://backpack.tf/profiles/76561198313366900#!/compare/1693267200/1693872000

Buyer: https://backpack.tf/profiles/76561198093253104#!/compare/1692835200/1693267200

Sell Order: https://gladiator.tf/time-machine?item=Miami%20Nights%20Killer%20Exclusive&at=2023-08-29T06:07:48.000Z

Item 4

https://backpack.tf/item/7955817080

Sale #4

Untraceable bot dump-

Seller: https://backpack.tf/profiles/76561198798973760#!/compare/1697241600/1697328000

Buyer: https://backpack.tf/profiles/76561198453530349#!/compare/1697932800/1698019200

Item 5

https://backpack.tf/item/6557684811

Sale #5

Untraceable?-

Seller: https://backpack.tf/profiles/76561198214802583#!/compare/1690502400/1690934400

Buyer: https://backpack.tf/profiles/76561198403706199#!/compare/1689897600/1690502400

Sale #6

Untraceable?-

Seller: https://backpack.tf/profiles/76561198403706199#!/compare/1690934400/1694044800

Buyer: https://backpack.tf/profiles/76561198153232449#!/compare/1691107200/1691625600

Marketplace.tf Sales

https://marketplace.tf/items/tf2/538;5;u61

MP.TF Sale #1

Sold for $219.99 on July 27, 2023

Average Key Price @ $1.95ish

219.99/1.95 = 112.81ish keys

Unknown History

MP.TF Sale #2

Sold for $219.99 on October 21, 2023

Average Key Price @ $1.92ish

219.99/1.92 = 114.57ish keys

https://backpack.tf/item/5496041743

Sales @ 100, 113, 115

Taking 100-115 here