1 year old price.

Sale occured ~a month ago: http://backpack.tf/item/398777517

http://puu.sh/8rEQI.jpg --> http://puu.sh/8rESh.png --> http://puu.sh/8rEI3.png

-Sold for 6 pure + Miami Cosa (~2.5) = 8.5

http://www.tf2outpost.com/trade/19608035 ---> http://www.tf2outpost.com/trade/19339446

-Sold for duped burning cone + duped PE whoopee + ~1 bud

Mini for duped burning cone

http://www.tf2outpost.com/trade/19396514

-quicksold for 4 buds

http://www.tf2outpost.com/trade/19626411

-b/o 5

And clean is like ~4.7 so I think ~4.5 is a fair average for the duped version

Duped PE Whoopee

http://www.tf2outpost.com/trade/19626320

-b/o 4

http://www.tf2outpost.com/trade/18428103

-Sold for orb. fire modest (~2.7) + 1 bud so ~3.7

3.7 + 4.5 + 1 = 9.2 (9)

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