Sale 1:

Sold for 63 keys (Buyer’s end)

https://backpack.tf/profiles/76561199026390261#!/compare/1754611200/1754697600

https://backpack.tf/profiles/76561198375673085#!/compare/1754697600/1754784000

https://backpack.tf/item/4440049165

= 63 keys

Sale 2:

Sold to STN for 62 keys + negligible metal

https://backpack.tf/profiles/76561198363628327#!/compare/1751760000/1751846400

https://backpack.tf/profiles/76561199026390261#!/compare/1751846400/1751932800

https://backpack.tf/item/4440049165

44 keys + the metal show here, then the seller bought the group of unusual taunts that appear after the keys with the remaining 18 keys that were involved:

https://backpack.tf/profiles/76561199111073161#!/compare/1751760000/1751846400 - Near ID: 15909876035

= 62 keys

Other Sales:

#1

https://backpack.tf/profiles/76561199026390261#!/compare/1752105600/1752192000

https://backpack.tf/profiles/76561198161980756#!/compare/1751932800/1752192000

https://backpack.tf/item/4440049165

Only 58 keys match

#2

https://backpack.tf/profiles/76561198161980756#!/compare/1753574400/1753747200

https://backpack.tf/profiles/76561199026390261#!/compare/1753660800/1753747200

https://backpack.tf/item/4440049165

Untraceable, follows the above purchase

#3

https://backpack.tf/profiles/76561199564942025#!/compare/1749427200/1749513600

https://backpack.tf/profiles/76561198161980756#!/compare/1749168000/1749427200

https://backpack.tf/item/4566916219

Untraceable

#4

https://backpack.tf/profiles/76561198161980756#!/compare/1750291200/1750464000

https://backpack.tf/profiles/76561198396499936#!/compare/1750291200/1750464000

https://backpack.tf/item/4566916219

Bulk for Nebula Universal Translator, using there

Sellers:

https://i.imgur.com/PXi8DoV.png

https://backpack.tf/item/4404141945 - 67 keys

https://backpack.tf/item/4566916219 - 75 keys

https://backpack.tf/item/4411088002 - $165

Sales at:

62

63

Taking 62-63 keys.