Item 1

https://backpack.tf/item/13187373851

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561198026104036#!/compare/1688515200/1688688000

Buyer: https://backpack.tf/profiles/76561198006544512#!/compare/1689033600/1690329600

Item 2

https://backpack.tf/item/11582153493

Sale #2

Untraceable? Maybe sold for 110 but nothing traces, would be incomplete regardless given buyers at the time-

Seller: https://backpack.tf/profiles/76561198182205245#!/compare/1687305600/1687478400

Buyer: https://backpack.tf/profiles/76561198310870519#!/compare/1671667200/1692662400

Item 3

https://backpack.tf/item/7957665090

First few sales were a trade-back between STN and a user

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1692576000/1692662400

Buyer: https://backpack.tf/profiles/76561199139394142#!/compare/1692230400/1692662400

Item 4

https://backpack.tf/item/12373454848

Sale #4

Bulk sale-

Seller: https://backpack.tf/profiles/76561198128141636#!/compare/1687651200/1688860800

Buyer: https://backpack.tf/profiles/76561198105071091#!/compare/1688774400/1688860800

Item 5

https://backpack.tf/item/7956495515

Sale #5

IDs only match 5 keys, untraceable-

Seller: https://backpack.tf/profiles/76561199225204025#!/compare/1685577600/1685664000

Buyer: https://backpack.tf/profiles/76561198043444428#!/compare/1685577600/1685664000

Marketplace.tf Sales

https://marketplace.tf/items/tf2/920;5;u58

MP.TF Sale #1

Sold for $359.9 on July 2, 2023

Average Key Price @ $1.98ish

359.9/1.98 = 181.76ish keys

MP.TF Sale #2

Sold for $249.99 on August 22, 2023

Average Key Price @ $2.01ish

249.99/2.01 = 124.37ish keys

Sales @ 124, 182

Rounding and taking 125 flat here