Sale 1:

Sold for 10 keys

https://backpack.tf/profiles/76561198040171846#!/compare/1733270400/1733356800

https://backpack.tf/profiles/76561197967159739#!/compare/1733270400/1733356800

https://backpack.tf/item/15064247444

= 10 keys

Sale 2:

Sold for 3 keys + 16 ToD Tickets (~7.2 keys) + 12.55 ref (still less than half a key)

https://backpack.tf/profiles/76561198108880110#!/compare/1731196800/1731283200

https://backpack.tf/profiles/76561198321545253#!/compare/1731196800/1731283200

https://backpack.tf/item/12982281473

= 10 keys

Other Sales:

#1

https://backpack.tf/profiles/76561198435910422#!/compare/1730592000/1730851200

https://backpack.tf/profiles/76561198131747750#!/compare/1730764800/1730851200

https://backpack.tf/item/12982281473

Untraceable

#2

https://backpack.tf/profiles/76561198131747750#!/compare/1730764800/1730851200

https://backpack.tf/profiles/76561198108880110#!/compare/1730851200/1730937600

https://backpack.tf/item/12982281473

5 keys match

#3

https://backpack.tf/profiles/76561198320129213#!/compare/1731196800/1733616000

https://backpack.tf/profiles/76561198040171846#!/compare/1732752000/1732838400

https://backpack.tf/item/15064247444

SCM, indistinguishable there.

#4

https://backpack.tf/profiles/76561198321545253#!/compare/1732579200/1733011200

Buyer not found

Untraceable

Marketplace Sales:

https://marketplace.tf/items/tf2/31162;5;u3183

$10.99, November 6th

https://marketplace.tf/items/tf2/5021;6 - keys were $1.86

10.99/1.86 = 5.909, rounds to 6 keys

Sales at:

6 (marketplace0

10 (2x)

No current sellers.

https://i.imgur.com/xeqKnLt.png - Buyer at 8 keys, excluding 6.

Taking 10 flat.

https://backpack.tf/profiles/76561198321545253#!/compare/1734048000/1734307200

https://backpack.tf/profiles/76561198219027272#!/compare/1733961600/1734048000

https://backpack.tf/item/12982281473

Sold for 10 keys in an auction