Item 1

https://backpack.tf/item/11835353989

Sale 1

https://backpack.tf/profiles/76561198154431883#!/compare/1686009600/1686355200

https://backpack.tf/profiles/76561199111470451#!/compare/1686268800/1686355200

Looks like ~10 keys

Item 2

https://backpack.tf/item/11834688713

Sale 2

https://gladiator.tf/time-machine?item=Massed%20Flies%20Towering%20Pillar%20of%20Hats&at=2023-06-08T09:53:41.000Z

https://backpack.tf/profiles/76561199202000000#!/compare/1686096000/1686182400

https://backpack.tf/profiles/76561198174006917#!/compare/1686096000/1686268800

Orbiting Planets Brass Bucket + ~1 key, but the brass bucket doesn't match histories anyways

Sale 3

https://backpack.tf/profiles/76561198174006917#!/compare/1686268800/1686528000

https://backpack.tf/profiles/76561199102407070#!/compare/1686182400/1686268800

1 for 1 with a Nuts n' Bolts Battle Boonie?

No valid sales for the boonie

Item 3

https://backpack.tf/item/10644454544

Sale 4

https://gladiator.tf/time-machine?item=Massed%20Flies%20Towering%20Pillar%20of%20Hats&at=2023-03-22T14:39:29.000Z

https://gladiator.tf/sales?item=Massed%20Flies%20Towering%20Pillar%20of%20Hats&at=2023-03-27T03%3A28%3A00.000Z

https://backpack.tf/profiles/76561199102407070#!/compare/1679443200/1679529600

https://backpack.tf/profiles/76561198080301085#!/compare/1679443200/1679529600

Likely ~13 keys

Item 4

https://backpack.tf/item/8053383877

Sale 5

https://backpack.tf/profiles/76561199202977787#!/compare/1684108800/1684195200

https://backpack.tf/profiles/76561198311498888#!/compare/1684022400/1684108800

No clue

Item 5

https://backpack.tf/item/7957412139

Covering mp.tf at the end

Item 6

https://backpack.tf/item/7791766820

Sale 6

https://backpack.tf/profiles/76561198088089280#!/compare/1675555200/1680825600

https://backpack.tf/profiles/76561198283421457#!/compare/1686009600/1686009600

Can't load buyer inv

Sale 7

https://backpack.tf/profiles/76561198283421457#!/compare/1686009600/1686009600

https://backpack.tf/profiles/76561198850274253#!/compare/1685923200/1686009600

Can't load seller inv

Item 7

https://backpack.tf/item/4900293592

Sale 8

https://backpack.tf/profiles/76561198279654770#!/compare/1680220800/1680307200

https://backpack.tf/profiles/76561199110809353#!/compare/1680220800/1680307200

No clue

Total Sales

10, 13

https://gladiator.tf/time-machine?item=Massed%20Flies%20Towering%20Pillar%20of%20Hats&at=2023-06-12T03:11:33.989Z

Sellers only recently came down. Might take a wide ranger here with something below buyers, and something above sellers

Taking 10 - 13 keys?