Re-suggesting, new sale.

Sale 1:

Sold with 23.22 ref (~0.4) for 4 keys

https://backpack.tf/profiles/76561199581722058#!/compare/1776211200/1776297600 - Near ID: 16931794042

https://backpack.tf/profiles/76561198066743294#!/compare/1776211200/1776297600

https://backpack.tf/item/11014063813

Keys are currently selling for ~58.33 ref.

= 3.6 keys

Sale 2:

Sold to a bot for 3 keys + 29.55 ref (~3.5 keys)

https://backpack.tf/profiles/76561198331797596#!/compare/1770595200/1770681600

https://backpack.tf/profiles/76561199550301253#!/compare/1770595200/1770681600

https://backpack.tf/item/6267728989

= 3.5 keys

Other Sales:

#1

https://backpack.tf/profiles/76561198877320307#!/compare/1776124800/1776211200 - Near ID: 16927766852

https://backpack.tf/profiles/76561198309544456#!/compare/1776124800/1776211200

https://backpack.tf/item/11014063813

Untraceable, 13.11 ref matches, most likely was 3 keys + 13.11 ref.

#2

https://backpack.tf/profiles/76561198754459246#!/compare/1776124800/1776211200

https://backpack.tf/profiles/76561198877320307#!/compare/1776124800/1776211200

https://backpack.tf/item/11014063813

Untraceable

Sellers:

https://i.imgur.com/Pg8iH0r.png

https://backpack.tf/item/6267728989 - ~5 keys

Sales at:

3.5

3.6

3.5 went to a bot, but with the lack of buyers around this price, the fact that it was dumped to STN, presumably for cheaper, and the proximity of a non-bot dump sale at this value, 3.5 should be included here.

Taking 3.5-3.6 keys.