Hey o, you're gonna wanna use the key price on mp.tf on the day of each sale

May 3 is out of date, so that's not gonna be usable

June 14 = $24.99 / $1.98 = ~13 keys

July 26 = $24.99 / $1.95 = ~13 keys

Few other histories to take note of here

https://backpack.tf/item/12004898649

https://backpack.tf/profiles/76561199191619268#!/compare/1670112000/1683936000

https://backpack.tf/profiles/76561198342547469#!/compare/1684886400/1685404800

Untrace

https://backpack.tf/item/11975107629

https://backpack.tf/profiles/76561198403706199#!/compare/1687392000/1687478400

https://backpack.tf/profiles/76561198003404879#!/compare/1687392000/1687478400

~9 keys

https://backpack.tf/profiles/76561198003404879#!/compare/1687996800/1688083200

https://backpack.tf/profiles/76561198202077713#!/compare/1691020800/1691539200

Untrace, likely one of the mp.tf sales

https://backpack.tf/item/11924042622

https://backpack.tf/profiles/76561198022806102#!/compare/1687996800/1691625600

https://backpack.tf/profiles/76561198069143099#!/compare/1691366400/1691539200

Untrace

https://backpack.tf/profiles/76561198069143099#!/compare/1691539200/1691625600

https://backpack.tf/profiles/76561198872705637#!/compare/1691539200/1691625600

(Your sale listed above @12)

https://backpack.tf/item/11920199091

https://backpack.tf/profiles/76561198312743572#!/compare/1686787200/1686873600

https://backpack.tf/profiles/76561198365873026#!/compare/1687219200/1687392000

Untrace

Total Sales

9, 12, 13, 13

I think 9 - 13 keys works here c: