A conservative bump

Proof:

http://www.tf2outpost.com/trade/14381602 - Look at the amount of adds for 1 key

http://www.tf2outpost.com/trade/14544649 - Has a willing buyer in 8 minutes for 1 key!

http://bazaar.tf/trade/436836 - Sold? it's not in his backpack, if it sold it's 1.166

http://www.tf2outpost.com/trade/10476217 - Has an offer of Brotherhood of Arms (1 - 1.2 which means the offer is at least 1)

http://www.tf2outpost.com/trade/14508151 - Sold for 1.2 in less than a day

http://www.tf2outpost.com/trade/14291404 - Declined 1 key 1.33 ref (1.22)

http://www.tf2outpost.com/trade/14433790 - Sold at least 2 for 1.33 (I know he sold to: http://www.tf2outpost.com/backpack/114258 and to: http://www.tf2outpost.com/backpack/364288 if you don't believe me check histories)

http://www.tf2outpost.com/trade/6634184 - Declined an offer of 1.5 (by Jersshhh)

http://www.tf2outpost.com/trade/14534908 - Sold for 2? has none in his backpack and restocking (or at least trying, for now) at 1: http://www.tf2outpost.com/trade/14543012

http://www.tf2outpost.com/trade/14452642 - Sold for 2

http://www.tf2outpost.com/trade/14437216 - Sold at least 1 for 2 recently (check histories of the listed 8)

http://www.tf2outpost.com/trade/11173977 - Seems to have a sale, 3 weeks ago (kinda old but still) for 3 to: http://www.tf2outpost.com/backpack/292768 check histories) I know it happened ~3 weeks ago because of his comment on this trade (scroll down) http://www.tf2outpost.com/trade/11274126

Not much proof to gather because there are less than 3 pages, and some (not many but some) are in sets/overpriced such as 3 or something and really a few even have strange part attached

At the moment of posting Classifieds had none below 1.5