8 months old price. Best offers in the last month range from 2.4-2.85 in unusuals. A duped one sold for 2 pure, and there are enough offers from 2-2.4 to justify using that as the low end.

Actual Sales:

2 buds pure - http://www.tf2outpost.com/trade/9744572 - this is a duped one...

Current Trades:

B/O 5.5 - http://www.tf2outpost.com/trade/10035758 - no offers

B/O 3 - http://www.tf2outpost.com/trade/8488184

Best Offers:

2.4 in unusuals - steaming anger

2.35 in unusuals - smoking el jefe

2.25 in unusuals - stormy lid + black dcc

B/O 2.5 - http://www.tf2outpost.com/trade/9914841

Best offers:

2.75 in mixed - GE larrikin (new suggestion for 2) + 20 keys

B/O 3 - http://www.tf2outpost.com/trade/8326659

Best Offers:

2.85 pure - 2 months old offer... just including for completeness, not for price

2.4 in unusuals - steaming anger

2.4 in unusuals - stormy samureye

2.05 in unusuals - hearts robin

Conclusions:

High End: 1 b/o of 2.5. Best offer of 2.75 in unusuals. Distant offer (2 mths) of 2.85 pure seems a massive outlier compared to other offers in the last month so setting high end at 2.5

Low End: 1 sold for 2 pure (albeit a duped one). Multiple unusual offers from 2-2.4.