Item 1

https://backpack.tf/item/13099887118

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561198064104470#!/compare/1686787200/1686960000

Buyer: https://backpack.tf/profiles/76561198076913414#!/compare/1686787200/1686873600

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561198076913414#!/compare/1686873600/1686960000

Buyer: https://backpack.tf/profiles/76561198068709379#!/compare/1670025600/1686873600

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561198068709379#!/compare/1670025600/1686873600

Buyer: https://backpack.tf/profiles/76561198111407798#!/compare/1686614400/1686873600

Sale #4

Untraceable-

Seller: https://backpack.tf/profiles/76561198111407798#!/compare/1687132800/1687219200

Buyer: https://backpack.tf/profiles/76561198445317265#!/compare/1687132800/1687219200

Sale #5

Untraceable-

Seller: https://backpack.tf/profiles/76561198445317265#!/compare/1687564800/1687651200

Buyer: https://backpack.tf/profiles/76561198086913673#!/compare/1687651200/1687737600

Sale #6

Sold for 49 keys-

Seller: https://backpack.tf/profiles/76561198086913673#!/compare/1687737600/1687824000

Buyer: https://backpack.tf/profiles/76561198316071886#!/compare/1687651200/1687737600

Item 2

https://backpack.tf/item/12211975733

[b}Sale #7[/b]

Untraceable-

Seller: https://backpack.tf/profiles/76561198071468579#!/compare/1684195200/1684800000

Buyer: https://backpack.tf/profiles/76561198453530349#!/compare/1684627200/1684713600

Marketplace.tf Sales

https://marketplace.tf/items/tf2/31313;5;u264

MP.TF Sale #1

Sold for $130 on May 12, 2023

Keys @ $2.03

130/2.03 = 64.04ish keys

MP.TF Sale #2

Sold for $109.99 on August 2, 2023

Keys @ $1.95

109.99/1.95 = 56.41ish keys

Sales @ 49, 56, 64

Taking 49-64 here