Resuggesting! Thank you to Blaze for letting me know of new info in order to fix the suggestion!

Item 1

https://backpack.tf/item/7132566344

Sale #1

Bulk Sale-

Seller: https://backpack.tf/profiles/76561199026390261#!/compare/1689033600/1689120000

Buyer:: https://backpack.tf/profiles/76561198091502579#!/compare/1689033600/1689379200

Item 2

https://backpack.tf/item/6810242208

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561199103801420#!/compare/1686700800/1686787200

Buyer: https://backpack.tf/profiles/76561198137642054#!/compare/1686182400/1686873600

Sale #3

Sold for 45 keys (ID "13151958294" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198137642054#!/compare/1686528000/1686873600

Buyer: https://backpack.tf/profiles/76561198453530349#!/compare/1686787200/1686873600

Sale #4

Untraceable-

Seller: https://backpack.tf/profiles/76561198453530349#!/compare/1689120000/1689292800

Buyer: https://backpack.tf/profiles/76561199111073161#!/compare/1689120000/1689292800

Sale #5

Bulk sale-

Seller: https://backpack.tf/profiles/76561199111073161#!/compare/1690934400/1691020800

Buyer: https://backpack.tf/profiles/76561198091502579#!/compare/1690934400/1691107200

Marketplace.tf Sales

https://marketplace.tf/items/tf2/30976;5;u19

MP.TF Sale #1

Sold for $124.99 on May 3, 2023

Keys @ $2.05

124.99/2.05 = 60.97ish keys

MP.TF Sale #2

Sold for $124.99 on May 4, 2023

Keys @ $2.05

124.99/2.05 = 60.97ish keys

MP.TF Sale #3

Sold for $124.99 on June 28, 2023

Keys @ $1.99

124.99/1.99 = 62.81ish keys

MP.TF Sale #4

Sold for $139.99 on July 27. 2023

Keys @ $1.95

139.99/1.95 = 71.79ish keys

Sales @ 45, 61, 61, 63, 72

Taking 61-72 here