https://backpack.tf/item/10760207074

https://backpack.tf/profiles/76561198037956864#!/compare/1656460800/1656806400

https://backpack.tf/profiles/76561198209640976#!/compare/1656720000/1656806400

Mini for Haunted Ghosts Thirst Blood: 50-53 Keys (Sold alongside a C. Hearts Bumble Beenie for 107 Key Total)

https://backpack.tf/item/3027508750

https://backpack.tf/profiles/76561198043826027#!/compare/1660521600/1660608000

https://backpack.tf/profiles/76561198170387006#!/compare/1660262400/1660608000

Mini for Haunted Ghosts Brigade Helm: 48 Keys

https://backpack.tf/item/4811880457

https://backpack.tf/profiles/76561198066220061#!/compare/1663545600/1663804800

Cannot find the buyers BP

Green Energy Eliminator's Safeguard: 98 Keys (recently repriced)

https://backpack.tf/suggestion/62db18fb758cea8a7d05e14f

Haunted Ghosts Cloud Crasher: Worth 21-22 Keys but buy orders around 10-20 Keys

52+48+98+15= 213 Give or take some keys from pricing I say around 210 Keys

More evidence for the Haunted Ghost Brigade Helm

https://marketplace.tf/items/tf2/105;5;u8

One sold on Sept, 19th for $79.99

79.99 / 1.77 = 45 Keys Roughly the same price as the Mini