Item 1

https://backpack.tf/item/12980634447

Sale #1

Untraceable?-

Seller: https://backpack.tf/profiles/76561198337734785#!/compare/1693008000/1693267200

Buyer: https://backpack.tf/profiles/76561197980911038#!/compare/1692835200/1693440000

Item 2

https://backpack.tf/item/11640083592

Sale #2

Only a few keys trace in the buyer's backpack, untraceable-

Seller: https://backpack.tf/profiles/76561199110809353#!/compare/1687737600/1687824000

Buyer: https://backpack.tf/profiles/76561198035609800#!/compare/1687996800/1688083200

Item 3

https://backpack.tf/item/6350634236

Sale #3

Sold for 37 keys (ID "13423515343" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198125791160#!/compare/1692576000/1692662400

Buyer: https://backpack.tf/profiles/76561199134200785#!/compare/1687132800/1695168000

Item 4

https://backpack.tf/item/3038004267

Sale #4

Bulk sale-

Seller: https://backpack.tf/profiles/76561198139627699#!/compare/1692662400/1692835200

Buyer: https://backpack.tf/profiles/76561199073805105#!/compare/1692662400/1692835200

Sale #5

Untraceable-

Seller: https://backpack.tf/profiles/76561199073805105#!/compare/1692921600/1693353600

Buyer: https://backpack.tf/profiles/76561198057154811#!/compare/1694736000/1694908800

Item 5

https://backpack.tf/item/2355213859

Sale #6

Untraceable-

Seller: https://backpack.tf/profiles/76561198320748978#!/compare/1694563200/1694995200

Buyer: https://backpack.tf/profiles/76561199170761237#!/compare/1694995200/1695168000

Item 6

https://backpack.tf/item/5592623117

Sale #7

Sold for 32 keys + 0.77 refined (ID "13217831485" of the unusual match)-

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1688515200/1688601600

Buyer: https://backpack.tf/profiles/76561198117597416#!/compare/1688515200/1688688000

Item 7

https://backpack.tf/item/4109210181

Sale #8

Untraceable-

Seller: https://backpack.tf/profiles/76561198092651884#!/compare/1687996800/1694131200

Buyer: https://backpack.tf/profiles/76561199240976002#!/compare/1689379200/1689724800

Marketplace.tf Sales

https://marketplace.tf/items/tf2/30175;5;u58

MP.TF Sale #1

Sold for $89.99 on August 19, 2023

Average Key Price @ $2.01ish

89.99/2.01 = 44.77ish keys

Unknown History

MP.TF Sale #2

Sold for $89.99 on September 14, 2023

Average Key Price @ $2.05ish

89.99/2.05 = 43.89ish keys

Unknown History

Sales @ 32, 37, 44, 45

Taking 37-44 here