Sold for 4 keys

https://backpack.tf/profiles/76561199059698603#!/compare/1782345600/1782432000

https://backpack.tf/profiles/76561198330331882#!/compare/1782000000/1782432000

https://backpack.tf/item/12665364198

3 keys from the buyer’s side + 1 more key found through manually searching IDs:

https://backpack.tf/item/17191492809 - similar ID to the other keys

The sale predates the Archivist listings, but given the marketplace sale at a similar price (which is now outdated), this seems accurate.

Proof of the 4th key:

https://backpack.tf/profiles/76561198876039972#!/compare/1773014400/1781481600

4th last row, 4th column. Same history.

= 4 keys

No current sellers.

1 sale at 4 keys.

Single sale, but the sale is over a month old. Should be fine to use.

Taking 4 flat.