I know last price change was 11 hours ago ,but it's already clearly outdate.

"this could already go even lower" - ArchiteK from the last suggestion

Selling under 3.4 keys:

http://backpack.tf/classifieds/search/id/52b49a214dd7b8f26e8b4568 11 people selling for 3 keys

http://www.tf2outpost.com/trade/16812048 3.3 keys

http://www.tf2outpost.com/trade/16862769 3 keys

http://www.tf2outpost.com/trade/16846084 3 keys

http://www.tf2outpost.com/trade/16863458 3 keys

http://www.tf2outpost.com/trade/16854217 3 keys

http://www.tf2outpost.com/trade/16832117 3.3 keys

http://www.tf2outpost.com/trade/16699751 3 keys

http://www.tf2outpost.com/trade/16851440 3 keys

http://www.tf2outpost.com/trade/16831585 3.3 keys

http://www.tf2outpost.com/trade/16840720 3 keys

http://www.tf2outpost.com/trade/16828782 3 keys

http://www.tf2outpost.com/trade/16828202 3 keys, willing even less in the offers

http://www.tf2outpost.com/trade/16856761 3 keys

http://www.tf2outpost.com/trade/16860059 3 keys

http://www.tf2outpost.com/trade/16720832 "3- 4 keys" lol

http://www.tf2outpost.com/trade/16852292 3.1 keys

http://www.tf2outpost.com/trade/16776644 3 keys

Unsold for above 3.4 keys:

Barely any unsolds because rarely anybody selling for 3.6 keys. Lots of people selling for 4 keys though. This is it for 10 pages of OP.

http://www.tf2outpost.com/trade/16760978 3 days but "high bp.tf price"

http://www.tf2outpost.com/trade/16844073 12 hours "high bp.tf price"

http://www.tf2outpost.com/trade/16844623 11 hours