Item 1

https://backpack.tf/item/12939655466

Sale 1

https://backpack.tf/profiles/76561198379906251#!/compare/1682553600/1683763200

https://backpack.tf/profiles/76561199119392127#!/compare/1682899200/1682985600

Can't say for certain

Sale 2

https://backpack.tf/profiles/76561199119392127#!/compare/1682985600/1683072000

https://backpack.tf/profiles/76561197971854756#!/compare/1682812800/1683072000

No clue

Sale 3

https://marketplace.tf/items/tf2/30769;5;u35

Nothing here

Item 2

https://backpack.tf/item/12057496502

Sale 4

Transfer to mp.tf and back

Sale 5

https://backpack.tf/profiles/76561198129860851#!/compare/1682035200/1682121600

https://backpack.tf/profiles/76561198841365001#!/compare/1681948800/1682121600

Can't see it on buyer side

Sale 6

https://backpack.tf/profiles/76561198841365001#!/compare/1684108800/1684195200

https://backpack.tf/profiles/76561199245733895#!/compare/1684108800/1684195200

No clue

Item 3

https://backpack.tf/item/8884213207

Sale 7

https://backpack.tf/profiles/76561198084205929#!/compare/1683417600/1683504000

https://backpack.tf/profiles/76561198439498211#!/compare/1683331200/1683504000

Bulk for a Scorching Flames Salty Dog

Sale 8

https://backpack.tf/profiles/76561198439498211#!/compare/1683504000/1683676800

https://backpack.tf/profiles/76561198156749406#!/compare/1683331200/1683590400

Bulk for a Steaming Pencil Pusher

Sale 9

https://backpack.tf/profiles/76561198156749406#!/compare/1683590400/1683676800

https://backpack.tf/profiles/76561198414201697#!/compare/1683590400/1683676800

Subatomic Phononaut + 4 keys ~.5 keys in adds?

No usable sales for the phononaut

Sale 10

https://backpack.tf/profiles/76561198414201697#!/compare/1683849600/1683936000

https://backpack.tf/profiles/76561198103038901#!/compare/1683936000/1684022400

No clue

Sale 11

https://backpack.tf/profiles/76561198103038901#!/compare/1684108800/1684368000

https://backpack.tf/profiles/76561199026390261#!/compare/1684281600/1684368000

~16 keys

Item 4

https://backpack.tf/item/4812397547

Sale 12

https://gladiator.tf/time-machine?item=Smoking+Herald%27s+Helm&at=2023-03-30T00%3A20%3A00.000Z

https://backpack.tf/profiles/76561198101419860#!/compare/1678233600/1680134400

https://backpack.tf/profiles/76561199057187154#!/compare/1680048000/1680134400

Likely bought for ~23 keys

Sale 13

https://backpack.tf/profiles/76561199057187154#!/compare/1684108800/1684195200

https://backpack.tf/profiles/76561199245733895#!/compare/1684108800/1684195200

No clue

Total Sales

16, 23

Taking 23 keys here c: