https://backpack.tf/item/15900617205

https://marketplace.tf/items/tf2/31482;5;u19

80/1.81~44 keys

https://backpack.tf/suggestion/6884b4f30c7a84022606769e in date

Team 6 - Suggestion 35 (Jarool)

Circling Heart Strigoi Stare

Sold for Phantom Plague Mannhattan Protect (Suggestion at 13.5) + Haunted Kraken Horror Shawl (Suggestion at 25.5)

https://backpack.tf/profiles/76561198060136479#!/compare/1750204800/1750291200

https://backpack.tf/profiles/76561198013121180#!/compare/1749945600/1750204800

https://backpack.tf/item/15798813044

https://i.imgur.com/qjdA0dN.png - B/O of 40

Both the outdated hats are being updated for this, however, the seller here re-sold both hats for a combined total of 33 keys

Haunted Kraken Horror Shawl:

Sold to a bot for 21 keys + 1 scrap

https://backpack.tf/profiles/76561198060136479#!/compare/1750291200/1750377600

https://backpack.tf/profiles/76561199663649981#!/compare/1750204800/1750291200

https://backpack.tf/item/12282942289

Phantom Plague Manhattan Protect:

Sold to a bot for 12 keys + negligible metal

https://backpack.tf/profiles/76561198060136479#!/compare/1750291200/1750377600

https://backpack.tf/profiles/76561198349848918#!/compare/1750204800/1750291200

https://backpack.tf/item/15361716226

Therefore, we can take this as a more accurate B/O, as they were willing to settle for 33 keys in buy orders worth of items.

= 33 keys