What I don't understand is how the fuck can it be worth 2.4-2.5 keys if you can get in the shop for $5 https://wiki.teamfortress.com/wiki/Upgrade_to_Premium_Gift

Anyway, here's some more proof

http://postimg.org/image/u5t81a24h/ sellers at 2, 2.1, and 2.2

http://www.tf2outpost.com/trade/23112657 Selling and sold some for 2.2 keys

http://www.tf2outpost.com/trade/22880654 Selling for 2.2 keys

http://www.tf2outpost.com/trade/14930605 unsold at 2.5 1 YEAR

http://www.tf2outpost.com/trade/17463768 unsold 2.6 8 MONTHS

http://www.tf2outpost.com/trade/22775975 unsold 2 weeks for 2.5 keys

http://www.tf2outpost.com/trade/23119566 selling at 2 keys

http://www.tf2outpost.com/trade/21732093 unsold 2 months at 2.3 keys

http://www.tf2outpost.com/trade/22974998 unsold 1 week at 2.3 keys

http://www.tf2outpost.com/trade/22952149 unsold 1 week at 2.3 keys

http://www.tf2outpost.com/trade/22770194 unsold 2 weeks at 2.5

http://www.tf2outpost.com/trade/14464126 - offers

http://bazaar.tf/trade/1023509 unsold 3 weeks at 2.5

http://bazaar.tf/trade/860671 unsold 2 months at 2.3

http://bazaar.tf/trade/918128 offered 2.2

http://bazaar.tf/trade/839104 unsold 4 months 2.2

http://bazaar.tf/trade/323541 unsold 1 year at 13 ref... LESS THAN 2 KEYS

Well, to wrap this up, it's almost IMPOSSIBLE to sell one at 2.4-2.5 and it really needs a drop