Item 1:

https://backpack.tf/item/741772950

Mannco, and scammer history

Item 2:

https://backpack.tf/item/305422688

Sale 1:

https://backpack.tf/profiles/76561198024321232#!/compare/1767398400/1767484800

https://backpack.tf/profiles/76561198001646956#!/compare/1767398400/1767484800

https://imgur.com/a/ME8El6Z - Credits Catfood

Sold for 700 keys pure

Item 3:

https://backpack.tf/item/271410925

Duped, no sales

Item 4:

https://backpack.tf/item/229336904

Sale 2:

https://backpack.tf/profiles/76561198131905323#!/compare/1760400000/1761091200

https://backpack.tf/profiles/76561197966756586#!/compare/1760486400/1761091200

Bulk Inventory sale

Sale 3:

https://backpack.tf/profiles/76561197966756586#!/compare/1762732800/1762819200

https://backpack.tf/profiles/76561198047620031#!/compare/1762732800/1762819200

Bulk for Blades of Betrayal Head Prize, was used there - https://backpack.tf/suggestion/6916907606ed94c73d0a8f4e

The rest of the history is mannco

Item 5:

https://backpack.tf/item/218010520

Sale 4:

https://backpack.tf/profiles/76561198011134507#!/compare/1762905600/1762992000

https://backpack.tf/profiles/76561198261483133#!/compare/1762819200/1762905600

Sold for a Haunted Wick Shellmet? Nothing else matches

Sale 5:

https://backpack.tf/profiles/76561198797266244#!/compare/1762905600/1763078400

https://backpack.tf/profiles/76561198261483133#!/compare/1762992000/1763078400

https://backpack.tf/profiles/76561198261483133#!/compare/1764460800/1764547200

https://backpack.tf/profiles/76561198797266244#!/compare/1764460800/1764547200

No clue, then traded back which doesn't show up

Item 6:

https://backpack.tf/item/208573076

Sale 6:

https://backpack.tf/profiles/76561198072441047#!/compare/1767398400/1767484800

https://backpack.tf/profiles/76561198043465434#!/compare/1767225600/1767744000

Sold for a Bubbling Soldier's Stash (240) + Spelled Blizzardy Storm Tyrant's Helm (115) + Blizzardy Storm Soldier's Stash x2 (400x2)

240 + 115 + 800

= 1,155

https://next.backpack.tf/classifieds/snapshots/Haunted%20Ghosts%20Exquisite%20Rack/69552ee9763dc3e99907add5

https://imgur.com/a/3V2QupZ - B/O 1000

Mini for Bubbling Stash

https://backpack.tf/suggestion/6910325d28b30a81790bd330 - In date

Mini For Spell Blizzard Storm Tyrant's

https://backpack.tf/item/1170972388

https://backpack.tf/profiles/76561198051159272#!/compare/1766534400/1766620800

https://backpack.tf/profiles/76561198072441047#!/compare/1766534400/1766620800

Sold for 115 keys pure (ID 16549136546)

Mini for blizzard Storm Stash

https://backpack.tf/suggestion/6962f77c64fc665047015237

//

Sellers:

BPTF - None

MPTF - https://marketplace.tf/items/tf2/339;5;u8 - None

STN - https://stntrading.eu/item/tf2/Unusual+Haunted+Ghosts+Exquisite+Rack - None

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Exquisite%20Rack?filter=Haunted+Ghosts - None

Sale(s):

700, 1000

No reason to exclude either; going with 700 - 1,000 keys