Item 1

https://backpack.tf/item/12594680330

The whole history is all transfers between bots, not taking a look at this

Item 2

https://backpack.tf/item/11935249950

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561198138707710#!/compare/1687996800/1689811200

Buyer: https://backpack.tf/profiles/76561199224789549#!/compare/1689724800/1690070400

Sale #2

Bulk transfer?-

Seller: https://backpack.tf/profiles/76561199224789549#!/compare/1690329600/1691193600

Buyer: https://backpack.tf/profiles/76561199101376092#!/compare/1688860800/1692748800

Item 3

https://backpack.tf/item/8305678553

Sale #3

Untraceable?-

Seller: https://backpack.tf/profiles/76561198033944846#!/compare/1687737600/1691625600

Buyer: https://backpack.tf/profiles/76561198140999439#!/compare/1688083200/1688601600

Item 4

https://backpack.tf/item/11990151404

Sale #4

Bulk sale-

Seller: https://backpack.tf/profiles/76561198392349684#!/compare/1682467200/1695340800

Buyer: https://backpack.tf/profiles/76561198095293350#!/compare/1695254400/1695340800

Proof: https://imgur.com/a/g50VmX1

Sale #5

Sold for 15 keys + 30.88 refined-

Seller: https://backpack.tf/profiles/76561198095293350#!/compare/1695254400/1695340800

Buyer: https://backpack.tf/profiles/76561199102407070#!/compare/1695254400/1695340800

Proof: https://imgur.com/a/zvJv7l9

MP.TF Sale #1

Sold for $35 on July 16, 2023

Average Key Price @ $1.96ish

35/1.96 = 17.85ish keys

Maybe this? or unknown

https://marketplace.tf/items/tf2/30836;5;u10

Sales @ 16. 18

Taking 16 flat here