2 months old price ^.^

Sellers

< 1.5 keys

http://www.tf2outpost.com/trade/11441009 - 1.4, 4 weeks

http://www.tf2outpost.com/trade/11865533 - 1.2, 2 weeks

http://www.tf2outpost.com/trade/12296844 - 1 key, 5 hours

http://www.tf2outpost.com/trade/12148721 - 1 key, 4 days (changed price some time in between now and 4 days ago)

http://www.tf2outpost.com/trade/12295973 - 1.2, 6 hours

http://www.tf2outpost.com/trade/12129456 - 1.3, 5 days

http://www.tf2outpost.com/trade/12253741 - 1.4, 1 day

1.5

http://www.tf2outpost.com/trade/12211311 - 2 days

http://www.tf2outpost.com/trade/11514851 - 3 weeks

http://www.tf2outpost.com/trade/11994520 - 1 week

http://www.tf2outpost.com/trade/8374780 - 4 months (O_o)

http://www.tf2outpost.com/trade/11966358 - 1 week

http://www.tf2outpost.com/trade/11887512 - 1 week

http://www.tf2outpost.com/trade/11662626 - 3 weeks

http://www.tf2outpost.com/trade/12003057 - 1 week

http://tf2tp.com/trade.php?trade=9574463 - 6 days

Sold

http://www.tf2outpost.com/trade/12279762 - 1:1 with Muffler (1.4), has a Muffler in his backpack, no helmet

http://www.tf2outpost.com/trade/12258701 - 1.2

Conclusion

There are plenty of sellers for less than 1.5, even sold. Within the new range are the sellers for less. Not enough proof for less than 1.2 though.

Constructive criticism is appreciated ^.^