Item 1

https://backpack.tf/item/4437139772

Sale 1

https://backpack.tf/profiles/76561198155110999#!/compare/1695168000/1695254400

https://backpack.tf/profiles/76561198067578865#!/compare/1695254400/1695427200

Looks like 49 keys

Sale 2

https://backpack.tf/profiles/76561198067578865#!/compare/1697932800/1698019200

https://backpack.tf/profiles/76561199523946153#!/compare/1697760000/1697932800

Looks like 2 were bought for 90 keys, so 45 keys?

Sale 3

https://backpack.tf/profiles/76561199523946153#!/compare/1698624000/1698710400

https://backpack.tf/profiles/76561199002340563#!/compare/1698710400/1698796800

~48 keys?

Sale 4

https://backpack.tf/profiles/76561199002340563#!/compare/1698796800/1698969600

https://backpack.tf/profiles/76561198063179541#!/compare/1698796800/1698883200

Keys don't match

Sale 5

https://backpack.tf/profiles/76561198063179541#!/compare/1699056000/1699142400

https://backpack.tf/profiles/76561198240511506#!/compare/1699056000/1699142400

Bulky

Item 2

https://backpack.tf/item/7428408933

Sale 6

https://backpack.tf/profiles/76561198067578865#!/compare/1697932800/1698019200

https://backpack.tf/profiles/76561199523946153#!/compare/1697760000/1697932800

2 were bought for 90 keys, so this is 45 keys

Sale 7

https://backpack.tf/profiles/76561199523946153#!/compare/1698192000/1698278400

https://backpack.tf/profiles/76561198210678091#!/compare/1698278400/1698364800

I match 45 keys on buyer side

Sale 8

https://backpack.tf/profiles/76561198210678091#!/compare/1698537600/1698710400

https://backpack.tf/profiles/76561199213304560#!/compare/1698624000/1698710400

48 keys

Sale 9

https://backpack.tf/profiles/76561199213304560#!/compare/1700870400/1700956800

https://backpack.tf/profiles/76561199490163369#!/compare/1700697600/1700956800

49 keys

Sale 10

https://backpack.tf/profiles/76561199490163369#!/compare/1701302400/1701475200

https://backpack.tf/profiles/76561198220052159#!/compare/1701216000/1701475200

No clue

Sale 11

https://backpack.tf/profiles/76561198220052159#!/compare/1701820800/1701907200

https://backpack.tf/profiles/76561198091502579#!/compare/1701820800/1701907200

https://imgur.com/a/hpDFgpq

55 keys

Total Sales

45, 45, 45, 48, 48, 49, 49, 55

https://imgur.com/a/JhXClHp

49 - > 45, we can exclude those two sales

45 is where buyers sit, so I'm gonna run with 48 - 55 keys c: