http://www.tf2outpost.com/trade/14047553 highest offer in 3 months was a sketchy 3.2, there were also two other 3 pure offers, one of which the owner replied "added"

http://www.tf2outpost.com/trade/15670336 highest offer = gbh hermes (3)

http://www.tf2outpost.com/trade/16125283 new 3.5 b/o

http://www.tf2outpost.com/trade/15326565 best offer little buddy harvest if he adds a bud (3)

http://www.tf2outpost.com/trade/15286819 self explanatory

http://www.tf2outpost.com/trade/15487431 milkman post

2.3-2.9 unsure who offered so 2.6?

http://www.tf2outpost.com/trade/15451088 may be an outlier, he bought it for 4+

http://backpack.tf/id/76561198060719404?time=1383375600

http://backpack.tf/id/76561198060719404?time=1383552000

duped:

http://www.tf2outpost.com/trade/15211366 sold for aces tyro (3 milkman offered)

3 pure is easy enough as a low end, but what for high end? Most 3 pure/3 unusual offers have been rejected or retracted. Perhaps 3.5? As that is a current b/o.