Item 1

https://backpack.tf/item/7957627842

Sale 1

https://backpack.tf/profiles/76561198074895734#!/compare/1668643200/1668729600

https://backpack.tf/profiles/76561197960443194#!/compare/1668643200/1668729600

Better used for the pmoon brain warming

Sale 2

https://gladiator.tf/time-machine?item=Disco+Beat+Down+Hat+of+Cards&at=2022-11-26T22%3A56%3A00.000Z

https://backpack.tf/profiles/76561197960443194#!/compare/1669507200/1669593600

https://backpack.tf/profiles/76561199125443371#!/compare/1669507200/1669593600

Most likely ~32 keys

Ignoring bot transfers....

Sale 3

https://backpack.tf/profiles/76561198852631417#!/compare/1671062400/1671321600

https://backpack.tf/profiles/76561199110809353#!/compare/1671062400/1671148800

Not sure, can't find sell order either

Item 2

https://backpack.tf/item/7957488770

Sale 4

https://gladiator.tf/time-machine?item=Disco+Beat+Down+Hat+of+Cards&at=2022-12-01T22%3A42%3A00.000Z

https://backpack.tf/profiles/76561199059698603#!/compare/1669852800/1669939200

https://backpack.tf/profiles/76561198114786186#!/compare/1669939200/1670284800

Part of what I assume to be the ~35 keys matches

Sale 5

https://backpack.tf/profiles/76561198114786186#!/compare/1670284800/1670457600

https://backpack.tf/profiles/76561198114786186#!/compare/1670284800/1670457600

https://backpack.tf/profiles/76561198061836787#!/compare/1670284800/1670371200

Probably a 1 for 1 with a Blizzardy Storm Tyrantium Helmet

No valid sales for the helmet, excluding

Sale 6

https://marketplace.tf/items/tf2/825;5;u62

Probably the sale on Dec 26?

https://manic.tf/keyprice/?at=2022-12-26&price=99.99

~47 keys

Item 3

https://backpack.tf/item/7956866883

Sale 7

https://backpack.tf/profiles/76561198140316312#!/compare/1668556800/1668643200

https://backpack.tf/profiles/76561198329796300#!/compare/1668556800/1668643200

41 keys matches

Sale 8

https://gladiator.tf/time-machine?item=Disco+Beat+Down+Hat+of+Cards&at=2022-11-22T00%3A46%3A00.000Z

https://backpack.tf/profiles/76561198329796300#!/compare/1669161600/1669248000

https://backpack.tf/profiles/76561198069707880#!/compare/1669075200/1669161600

https://gladiator.tf/sales?item=Disco%20Beat%20Down%20Hat%20of%20Cards&at=2022-11-26T10%3A26%3A00.000Z

Glad stats show no buys / sales around this time

Sale 9

https://gladiator.tf/time-machine?item=Disco+Beat+Down+Hat+of+Cards&at=2022-12-14T01%3A19%3A00.000Z

https://backpack.tf/profiles/76561198069707880#!/compare/1670889600/1670976000

https://backpack.tf/profiles/76561198122259040#!/compare/1670889600/1670976000

Probably ~33 keys

Mp.tf

https://marketplace.tf/items/tf2/825;5;u62

https://manic.tf/keyprice/?site=marketplace.tf&at=2022-12-15&price=99.99

~49 keys

https://manic.tf/keyprice/?site=marketplace.tf&at=2023-01-07&price=99.99

~49 keys

Total Sales

32, 33, 35, 41, 47, 49, 49

33 and below is less than buyers

47 and above are higher than current sellers

Taking 35 - 41 keys c: