Item 1

https://backpack.tf/item/8169825871

Sale #1

Bulk sale-

Seller: https://backpack.tf/profiles/76561198337378097#!/compare/1686873600/1686960000

Buyer: https://backpack.tf/profiles/76561198310972287#!/compare/1686873600/1686960000

Sale #2

Bulk sale-

Seller: https://backpack.tf/profiles/76561198310972287#!/compare/1687737600/1687824000

Buyer: https://backpack.tf/profiles/76561198407997130#!/compare/1687651200/1687824000

Sale #3

Bulk sale-

Seller: https://backpack.tf/profiles/76561198407997130#!/compare/1689897600/1690329600

Buyer: https://backpack.tf/profiles/76561198161130473#!/compare/1689897600/1690588800

Sale #4

Untraceable, only 20 keys match, even if I counted the keys on the buyer's side there's not enough to be above buyers-

Seller: https://backpack.tf/profiles/76561198161130473#!/compare/1691539200/1692057600

Buyer: https://backpack.tf/profiles/76561198115841780#!/compare/1691971200/1692316800

Sale #5

Untraceable-

Seller: https://backpack.tf/profiles/76561198115841780#!/compare/1692316800/1692748800

Buyer: https://backpack.tf/profiles/76561198036550577#!/compare/1636070400/1694044800

MP.TF Sale #1

Sold for $299.99 on September 7, 2023

Average Key Price @ $2.03ish

299.99/2.03 = 147.77ish keys

Unknown History

https://marketplace.tf/items/tf2/30939;5;u122

Only sale @ 148

Rounding this and taking 150 here