Sale #1

https://backpack.tf/item/11968477691

13 keys

https://backpack.tf/profiles/76561198400462105#!/compare/1773878400/1773964800

https://backpack.tf/profiles/76561199749834118#!/compare/1773878400/1774915200

Sale #2

https://marketplace.tf/items/tf2/31262;5;u250

https://backpack.tf/item/12059277857

mp.tf sale on 4/11/26

$29.99 / $1.99 = 150.07

Rounding to 15

Sale #3

https://backpack.tf/item/12929071764

13 keys

https://backpack.tf/profiles/76561198349848918#!/compare/1773360000/1773446400 (ID: 16812568873)

https://backpack.tf/profiles/76561198331463020#!/compare/1773360000/1773446400

Sale #4

https://backpack.tf/item/12929071764

redumped for unknown

https://backpack.tf/profiles/76561198331463020#!/compare/1774137600/1774569600

Current sellers:

$30.00 on mp.tf

$51.01 on SCM

14.24 keys on bp.tf

15.25 keys on bp.tf

Sales: 13, 15, 13

Considering the cheaper seller and the fact that one of the 13 key sales was requicksold for lower (presumably), going with 13 flat.

Final price: 13