Item 1

https://backpack.tf/item/7577479976

Sale #1

Untraceable, bot dump however-

Seller: https://backpack.tf/profiles/76561198212553335#!/compare/1691539200/1692576000

Buyer: https://backpack.tf/profiles/76561198850121720#!/compare/1691712000/1691798400

Sale #2

Sold for 23 keys? ID "13396057892" of the unusual matches-

Seller: https://backpack.tf/profiles/76561198850121720#!/compare/1692057600/1692144000

Buyer: https://backpack.tf/profiles/76561198093776678#!/compare/1648944000/1692144000

Item 2

https://backpack.tf/item/7212860315

Sale #3

Sold for 28 keys + 37.88 refined (keys in the buyer's side match)-

Seller: https://backpack.tf/profiles/76561199026390261#!/compare/1695081600/1695168000

Buyer: https://backpack.tf/profiles/76561198074241821#!/compare/1694995200/1695254400

Sale #4

Untraceable?-

Seller: https://backpack.tf/profiles/76561198074241821#!/compare/1695513600/1695600000

Buyer: https://backpack.tf/profiles/76561199101484822#!/compare/1695513600/1695600000

Sale #4

Untraceable?-

Seller: https://backpack.tf/profiles/76561199101484822#!/compare/1695600000/1695686400

Buyer: https://backpack.tf/profiles/76561199111292616#!/compare/1697155200/1697241600

Sale #5

Bulk dump-

Seller: https://backpack.tf/profiles/76561199111292616#!/compare/1697241600/1697328000

Buyer: https://backpack.tf/profiles/76561199085116273#!/compare/1697155200/1697241600

MP.TF Sale #1

Sold for $59.90 on November 3, 2023

Average Key Price @ $1.80ish

59.90/1.80 = 33.27ish keys

https://backpack.tf/item/9743049872

https://marketplace.tf/items/tf2/30662;5;u9

Sales @ 23?, 29, 33

Taking 29-33 here