https://backpack.tf/profiles/76561198037271185#!/compare/1611187200/1611446400

https://backpack.tf/profiles/76561198326990029#!/compare/1611360000/1611446400

Bulk

https://backpack.tf/profiles/76561198326990029#!/compare/1611446400/1611532800

https://backpack.tf/profiles/76561198104979324#!/compare/1611360000/1611532800

Vivid Tough Stuff Muffs which sold in the same day for 46 keys

Taking 46 here since that's what they would've taken in pure, indicated by how they sold it in the same day

https://backpack.tf/profiles/76561198867230590#!/compare/1614902400/1614988800

https://backpack.tf/profiles/76561198802275300#!/compare/1614297600/1614988800

Untraceable

https://backpack.tf/profiles/76561198802275300#!/compare/1614988800/1615075200

https://backpack.tf/profiles/76561198261265788#!/compare/1614988800/1615075200

Added 12 keys for Morning Glory Pirate Bandanna, better used there to update it

https://backpack.tf/profiles/76561198261265788#!/compare/1615161600/1615420800

https://backpack.tf/profiles/76561198294843285#!/compare/1615334400/1615420800

50 keys

https://backpack.tf/profiles/76561198294843285#!/compare/1615680000/1615852800

https://backpack.tf/profiles/76561198888086377#!/compare/1615680000/1615766400

26 keys

https://marketplace.tf/items/tf2/30425;5;u110

https://backpack.tf/item/5194224378

$119.99 / $2.13 = 56.33 keys

Sales

46

50

56

50 sold for 26, but we can just call it in the range I guess

46-56