Marketplace Sales:

https://marketplace.tf/items/tf2/1109;5;u3183

$9.99, May 29th & July 11th

https://backpack.tf/item/2712496563 - May 29th

Couldn’t find the other history.

https://marketplace.tf/items/tf2/5021;6 - keys were:

$1.93, May 29th

$2.02, July 11th

9.99/1.93 = 5.176, rounds to 5 keys

9.99/2.02 = 4.946, rounds to 5 keys

No current sellers, apart from a SCM seller for like 25 keys worth

2 sales at 5 keys.

While the 2nd history hasn’t popped up yet, the first sale would suffice as it's over a month old now. If the other history pops up and has prior sales, it will need to be looked into.

Taking 5 flat.