Sale 1:

Sold for 7 keys + around half a key in metal (IDs match)

Seller: https://backpack.tf/profiles/76561198311498888#!/compare/1584835200/1584921600

BUyer: https://backpack.tf/profiles/76561198386624423#!/compare/1567900800/1589241600

https://backpack.tf/item/3534494761

Near ID: 8607404220

7.5 keys

Sale 2:

Sold for 6 keys + around half a key in metal

Seller: https://backpack.tf/profiles/76561198075610620#!/compare/1585008000/1585094400

Buyer: https://backpack.tf/profiles/76561198291809173#!/compare/1584921600/1585094400

https://backpack.tf/item/7957114335

6.5 keys

Other Sales:

https://backpack.tf/item/7957114335 (#1-4)

https://backpack.tf/item/2904703260 - marketplace

#1

Untraceable

https://backpack.tf/profiles/76561198278987281#!/compare/1584748800/1585094400

https://backpack.tf/profiles/76561198075610620#!/compare/1585008000/1585094400

#2

Untraceable

https://backpack.tf/profiles/76561198291809173#!/compare/1585353600/1585440000

https://backpack.tf/profiles/76561198840697043#!/compare/1585440000/1585526400

Untraceable, only 2 keys match. Probably sold for the planets Brain Interface, which is what the other keys on the seller’s side matches with. Can’t confirm though.

https://backpack.tf/profiles/76561198341171690#!/compare/1585353600/1585440000

https://backpack.tf/item/8056492796

Gambled afterwards.

#3

Untraceable

https://backpack.tf/profiles/76561198061694931#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198020673987#!/compare/1586044800/1586131200

#4

Untraceable

https://backpack.tf/profiles/76561198020673987#!/compare/1586822400/1586995200

https://backpack.tf/profiles/76561198850274253#!/compare/1586908800/1586995200

Sellers:

https://i.imgur.com/1mkPBuc.png

https://backpack.tf/item/7957114335 - ~9 keys

https://backpack.tf/item/6039715756 - 9 keys

https://backpack.tf/item/2904703260 - 10 keys

https://backpack.tf/item/2215534328 - 10 keys

Sales at:

6.5

7.5

Taking 6.5-7.5.