Thank you Breacher for the screenshots used here!

Item 1

https://backpack.tf/item/7956565997

Sale #1

Sold for 46 keys-

Seller: https://backpack.tf/profiles/76561198023542389#!/compare/1694736000/1695859200

Buyer: https://backpack.tf/profiles/76561199124454687#!/compare/1695168000/1695686400

Extra Proof: https://imgur.com/a/JBfjbYZ

Sale #2

Bulk sale with another copy of this-

Seller: https://backpack.tf/profiles/76561199124454687#!/compare/1696032000/1696204800

Buyer: https://backpack.tf/profiles/76561198091502579#!/compare/1696204800/1696291200

Item 2

https://backpack.tf/item/7955600979

Sale #3

Sold for 44 keys-

Seller: https://backpack.tf/profiles/76561197966756586#!/compare/1695340800/1695600000

Buyer: https://backpack.tf/profiles/76561199124454687#!/compare/1695168000/1695686400

Proof: https://imgur.com/a/JBfjbYZ

Sale #4

Same as sale #2, bulk sold with another one of these-

Seller: https://backpack.tf/profiles/76561199124454687#!/compare/1696032000/1696204800

Buyer: https://backpack.tf/profiles/76561198091502579#!/compare/1696204800/1696291200

Item 3

https://backpack.tf/item/2371678781

Sale #5

Untraceable-

Seller: https://backpack.tf/profiles/76561198040779569#!/compare/1687219200/1688428800

Buyer: https://backpack.tf/profiles/76561198064844824#!/compare/1579046400/1694563200

Item 4

https://backpack.tf/item/1781471528

Sale #6

Untraceable-

Seller: https://backpack.tf/profiles/76561198091502579#!/compare/1692748800/1692835200

Buyer: https://backpack.tf/profiles/76561198358422068#!/compare/1694563200/1695859200

Sale #7

Bulk sale for something? Seems to have sold with a bunch of strange but still shouldn't be used given that it was dumped to a bot-

Seller: https://backpack.tf/profiles/76561198358422068#!/compare/1695859200/1696291200

Buyer: https://backpack.tf/profiles/76561198850121720#!/compare/1696204800/1696291200

Marketplace.tf Sales

https://marketplace.tf/items/tf2/397;5;u61

MP.TF Sale #1

Sold for $119.99 on July 31, 2023

Average Key Price @ $1.95ish

119.99/1.95 = 61.53ish keys

Unknown History

MP.TF Sale #2

Sold for $119.99 on August 5, 2023

Average Key Price @ $1.99ish

119.99/1.99 = 60.29ish keys

Unknown History

MP.TF Sale #3

Sold for $129.99 on September 18, 2023

Average Key Price @ $2.05ish

129.99/2.05 = 63.40ish keys

Unknown History

Sales @ 44, 46, 60, 62, 63

Taking 44-46 here