Resuggesting this, again.

https://backpack.tf/item/2054413804

Sale 1: Sold alongside a PE veil, Kwatt HKC, and isotope seriously snowed medigun for a spellbound headsplitter

Bulk, better used on the headsplitter.

Buyer: https://backpack.tf/profiles/76561198285371555#!/compare/1631836800/1631923200

Seller: https://backpack.tf/profiles/76561198258937500#!/compare/1631836800/1631923200

Sale 2: Sold for a hellfire milkman and 35 keys, better used on the milkman

Buyer: https://backpack.tf/profiles/76561198258937500#!/compare/1630713600/1630800000

Seller: https://backpack.tf/profiles/76561198184172198#!/compare/1630713600/1630800000

Sale 3: sold for an ooze merc’s mohawk (280) and 260 keys, 540

Buyer: xhttps://backpack.tf/profiles/76561198184172198#!/compare/1630281600/1630368000

Seller: https://backpack.tf/profiles/76561198077555267#!/compare/1630281600/1630368000

Sale 4: sold for a stormy 13th hour tipplers tricorne, better used on the tricorne

Buyer: https://backpack.tf/profiles/76561198077555267#!/compare/1630022400/1630108800

Seller: https://backpack.tf/profiles/76561198197908394#!/compare/1629936000/1630108800

Sale 5: Sold alongside a scorching pyromancers mask and 8 unlocked demo crates for a duped scorching TC

Bulk sale, ignoring

Buyer: https://backpack.tf/profiles/76561198197908394#!/compare/1628294400/1628899200

Seller: https://backpack.tf/profiles/76561198342161127#!/compare/1628812800/1628899200

Sale 6: Sold for 365 keys + a GE blast defense (102.5) + a Strange Nether Trail Duck Billed Hatypus (250 from https://backpack.tf/suggestion/614f1ab6a15a070fb15347b0) = 717.5 keys, rounding to 720

Buyer: https://backpack.tf/profiles/76561198115354925#!/compare/1631836800/1632528000

Seller: https://backpack.tf/profiles/76561198104146629#!/compare/1632441600/1632528000

Ignoring 720 for being way too high as per foamy.

Taking 540.