Item 1

https://backpack.tf/item/7853127000

Sale #1

Sold for 19 keys? (ID "13177109087" of the unusual matches that bulk but listing was at 34 for it, can't find the rest of the keys however so incomplete)-

Seller: https://backpack.tf/profiles/76561199072654974#!/compare/1687478400/1687564800

Buyer: https://backpack.tf/profiles/76561198055400213#!/compare/1687305600/1687564800

Listing: https://gladiator.tf/time-machine?item=Nether%20Void%20Taunt:%20The%20Schadenfreude&at=2023-06-24T03:03:07.000Z

Sale #2

Sold with a bunch of items for something, untraceable-

Seller: https://backpack.tf/profiles/76561198055400213#!/compare/1688688000/1690848000

Buyer: https://backpack.tf/profiles/76561199110809353#!/compare/1688774400/1688860800

Sale #3

Sold for 28 keys (ID "13238335073" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561199110809353#!/compare/1689033600/1689120000

Buyer: https://backpack.tf/profiles/76561198119362095#!/compare/1689120000/1692230400

Marketplace.tf Sales

https://marketplace.tf/items/tf2/463;5;u3030

MP.TF Sale #1

Sold for $64.99 on August 25, 2023

Average Key Price @ $1.99ish

64.99/1.99 = 32.65ish keys

Unknown History

MP.TF Sale #2

Sold for $64.99 on September 11, 2023

Average Key Price @ $2.03ish

64.99/2.03 = 32.01ish keys

Unknown History

Sales @ 19 or 34?, 28, 32. 33

Taking 28-33 here