Sale 1:

Sold for 55 keys

https://backpack.tf/profiles/76561198071596434#!/compare/1729987200/1730160000

https://backpack.tf/profiles/76561198059065962#!/compare/1730073600/1730160000

https://backpack.tf/item/15027985582

= 55 keys

Sale 2:

Sold for Flammable Bubbles of Attraction Conga (Suggestion at 48)

https://backpack.tf/profiles/76561198191137318#!/compare/1729382400/1729468800

https://backpack.tf/profiles/76561199526284857#!/compare/1729382400/1729468800

https://backpack.tf/item/14774835876

= 48 keys

Sale 3:

Sold for 42 keys

https://backpack.tf/profiles/76561198832832186#!/compare/1730937600/1731024000

https://backpack.tf/profiles/76561198310972287#!/compare/1730937600/1731024000

https://backpack.tf/item/14788541071

= 42 keys

Sale 4:

Sold for 39 keys

https://backpack.tf/profiles/76561198191137318#!/compare/1733270400/1733356800

https://backpack.tf/profiles/76561198035134466#!/compare/1733270400/1733356800

https://backpack.tf/item/15035384481

I manually checked IDs to see if I could find more keys that potentially were spent on something else, but couldn’t find any more.

= 39 keys

Sale 5:

Sold for 38 keys

https://backpack.tf/profiles/76561199059160806#!/compare/1729728000/1729814400

https://backpack.tf/profiles/76561198086336918#!/compare/1729641600/1729814400

https://backpack.tf/item/15026093214

= 38 keys

Sale 6:

Sold for 22 keys + Heavy Rain Rocket Journey (5.5 keys)

https://backpack.tf/profiles/76561198103465271#!/compare/1729382400/1729468800

https://backpack.tf/profiles/76561198191137318#!/compare/1729382400/1729468800

https://backpack.tf/item/14774835876

Sale occurred while histories weren’t updating, buyer doesn’t appear in the history

= 28 keys

Sale 7:

Sold for 22 keys

https://backpack.tf/profiles/76561198053758441#!/compare/1729814400/1729900800

https://backpack.tf/profiles/76561198071596434#!/compare/1729814400/1729900800

https://backpack.tf/item/15027985582

= 22 keys

Other Sales:

#1

https://backpack.tf/profiles/76561198327920042#!/compare/1730419200/1730678400

https://backpack.tf/profiles/76561198191137318#!/compare/1730419200/1730505600

https://backpack.tf/item/15035384481

Untraceable

#2

https://backpack.tf/profiles/76561198017911471#!/compare/1729641600/1729814400

https://backpack.tf/profiles/76561199059160806#!/compare/1729728000/1729814400

https://backpack.tf/item/15026093214

Untraceable

#3

https://backpack.tf/profiles/76561198075490385#!/compare/1729728000/1733184000

https://backpack.tf/profiles/76561198130707664#!/compare/1730764800/1730851200

https://backpack.tf/item/14997089701

Untraceable

#4

https://backpack.tf/profiles/76561198103465271#!/compare/1729382400/1729468800

https://backpack.tf/profiles/76561199526284857#!/compare/1729382400/1729468800

https://backpack.tf/item/14774835876

Untraceable

Flammable Bubbles of Attraction Conga:

https://backpack.tf/suggestion/67526cbf306bd015480de61a

Sellers:

https://i.imgur.com/565DLFV.png

https://backpack.tf/item/15035384481 - 65 keys

https://backpack.tf/item/14709010996 - 69 keys

Sales at:

22

28

38

39

42

48

55

Lone buyer at 30, next highest is 23. While I’m not keen on excluding sales with lone buyers like this (especially since evidently, the buyer is keeping), the sales at 22 and 28 do look like outliers already. Excluding 22-28.

Taking 38-55 keys.