Sale 1:

Sold for 5 keys

https://backpack.tf/profiles/76561198408282766#!/compare/1732060800/1732147200

https://backpack.tf/profiles/76561197967159739#!/compare/1732060800/1732147200

https://backpack.tf/item/13878622577

Keys found through manually searching

https://backpack.tf/item/15159684528

https://backpack.tf/item/15159684530

https://backpack.tf/item/15159684534

https://backpack.tf/item/15159684537

https://backpack.tf/item/15159684542

= 5 keys

Sale 2:

Sold for 3 keys

https://backpack.tf/profiles/76561197963294617#!/compare/1728864000/1728950400 - Near ID: 15017067037

https://backpack.tf/profiles/76561198882886230#!/compare/1728864000/1728950400

https://backpack.tf/item/13976248398

= 3 keys

Other Sales:

#1

https://backpack.tf/profiles/76561199277920604#!/compare/1729382400/1732147200

https://backpack.tf/profiles/76561198850178158#!/compare/1729555200/1729641600

https://backpack.tf/item/15007738801

Untraceable/Bulk

#2

https://backpack.tf/profiles/76561198280862378#!/compare/1731628800/1731801600

https://backpack.tf/profiles/76561198107349083#!/compare/1730246400/1731888000

https://backpack.tf/item/6268689019

Untraceable

Sellers:

https://i.imgur.com/dH2aK2V.png

https://backpack.tf/item/13976248398 - 5 keys

https://backpack.tf/item/14211334130 - 5 keys

https://backpack.tf/item/15007738801 - 6 keys

https://backpack.tf/item/15021017517 - marketplace

Sales at:

3

5

Taking 3-5 keys.

https://backpack.tf/profiles/76561197961976244#!/compare/1733270400/1733356800

https://backpack.tf/profiles/76561198401158635#!/compare/1733184000/1733270400

https://i.imgur.com/l6n2rKW.png - buy order was ~2.4 keys

https://backpack.tf/item/13976248408

1 key matches. 25 ref on the buyer's end went towards the RPS taunt on the seller's end. Was most likely 2 keys + 25 ref, but can't confirm.

https://backpack.tf/profiles/76561198882886230#!/compare/1733011200/1733097600

https://backpack.tf/profiles/76561198322739460#!/compare/1727395200/1733097600

https://backpack.tf/item/13976248398

Bulk

Updated view of sellers:

https://i.imgur.com/jmB4rMh.png

https://backpack.tf/item/13976248398 - 5 keys

https://backpack.tf/item/14211334130 - 5 keys

https://backpack.tf/item/15007738801 - 6 keys

(pretty much the exact same but different owner on the first one)