Two additional trades have been made since my last suggestion, so this is an update to my previous suggestion:

Item ID: https://backpack.tf/item/802263208

Sale #1: untrace

https://backpack.tf/profiles/76561198325221574#!/compare/1645747200/1645833600

https://backpack.tf/profiles/76561199019420779#!/compare/1645488000/1646611200

Item ID: https://backpack.tf/item/774417982

Sale #2: Steaming Mining Light + 7 keys for Australium Eyelander = 72-75 keys

https://backpack.tf/profiles/76561198037484203#!/compare/1646956800/1647561600

https://backpack.tf/profiles/76561198172035674#!/compare/1647475200/1647561600

Sale #3: 95 keys

https://backpack.tf/profiles/76561198129552058#!/compare/1648944000/1649030400

https://backpack.tf/profiles/76561198172035674#!/compare/1648944000/1649030400

Item ID: https://backpack.tf/item/485090026

Sale#4: 90 keys

https://backpack.tf/profiles/76561198129552058#!/compare/1648944000/1649030400

https://backpack.tf/profiles/76561198043059273#!/compare/1648944000/1649030400

https://imgur.com/a/HbA7yqJ (screenshot provided by the seller: https://backpack.tf/suggestion/6235f46ec24c1975d53211e8#comment-624ad89ed124ea5cae430881)

I guess based on these two additional sales the price range should be updated to 72-95 keys