Item 1

https://backpack.tf/item/5334244528

Sale #1

Bulk sale-

Seller: https://backpack.tf/profiles/76561198082235600#!/compare/1694649600/1694736000

Buyer: https://backpack.tf/profiles/76561198859721638#!/compare/1694649600/1694736000

Sale #2

Sold for 35 keys-

Seller: https://backpack.tf/profiles/76561198859721638#!/compare/1694822400/1694908800

Buyer: https://backpack.tf/profiles/76561198091502579#!/compare/1694736000/1695168000

Sale #3

Untraceable, most likely the mp.tf sale-

Seller: https://backpack.tf/profiles/76561198091502579#!/compare/1695168000/1695254400

Buyer: https://backpack.tf/profiles/76561198988911055#!/compare/1696723200/1697068800

Item 2

https://backpack.tf/item/12491315558

Sale #4

Sold for 41 keys (ID "13653387927" of the unusual matches to 43 but sell order was 41)-

Seller: https://backpack.tf/profiles/76561199084784906#!/compare/1696982400/1697068800

Buyer: https://backpack.tf/profiles/76561198091502579#!/compare/1696982400/1697068800

Sell Order: https://gladiator.tf/time-machine?item=Green%20Energy%20Metal%20Slug&at=2023-10-12T09:39:12.000Z

MP.TF Sale #1

Sold for $89.99 on October 10, 2023

Average Key Price @ $2.04ish

89.99/2.04 = 44.11ish keys

https://backpack.tf/item/5334244528

https://marketplace.tf/items/tf2/30028;5;u9

Sales @ 35, 41, 44

Taking 35-44 here