6 month old price.

http://www.tf2outpost.com/trade/18833163

-2.3 b/o

http://www.tf2outpost.com/trade/19014711

-b/o 3

http://www.tf2outpost.com/trade/18914130

-Offer of 2 buds and 3 keys

http://www.tf2outpost.com/trade/15849528

-Offer of $100 (3, dunno if the offer is legit) and another offer of 50 keys so 2.5

Sales

http://www.tf2outpost.com/trade/18335338 --> http://www.tf2outpost.com/trade/18425742

-Sold for SS Tyrolean (there's b/o's of 2 in the market.) Probably an outlier.

http://www.tf2outpost.com/trade/18310221 --> http://www.tf2outpost.com/trade/18333728

-Sold for Pro Kritzkrieg (~3, pro kit sells for ~20 keys in scm)

http://www.tf2outpost.com/trade/18779506 --> http://www.tf2outpost.com/trade/18779818

-Sold for Sunbeams Sack (His b/o was 3, and sold for dbd hetmen and there's a b/o of 2.5 --> http://www.tf2outpost.com/trade/18556549 )

I think this is a fair range, comment below if you have a problem with it.

Feel free to counter / support my proof. Vote based on proof presented, not blindly!