Item 1

https://backpack.tf/item/3650206407

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561198402650545#!/compare/1684195200/1685491200

Buyer: https://backpack.tf/profiles/76561198841279602#!/compare/1685059200/1685145600

Sale #2

Seems to have sold for some keys on the buyer's side but nothing connects or shows the full trade, untraceable-

Seller: https://backpack.tf/profiles/76561198841279602#!/compare/1687305600/1687392000

Buyer: https://backpack.tf/profiles/76561199115800005#!/compare/1687392000/1687737600

Item 2

https://backpack.tf/item/1850240484

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561198064588009#!/compare/1680220800/1686355200

Buyer: https://backpack.tf/profiles/76561198052517764#!/compare/1682035200/1686528000

Item 3

https://backpack.tf/item/572990783

Sale #4

Untraceable-

Seller: https://backpack.tf/profiles/76561198032789419#!/compare/1686009600/1686528000

Buyer: https://backpack.tf/profiles/76561198296758268#!/compare/1685664000/1686614400

Marketplace.tf Sales[b/]

[b]MP.TF Sale #1

Sold for $80 on May 12, 2023

Keys @ $2.03

80/2.03 = 39.41ish keys

MP.TF Sale #2

Sold for $74.99 on July 23, 2023

Keys @ $1.95

74.99/1.95 = 38.46ish keys

Sales @ 38, 39

Taking 38 flat here