Proof below. None on market.

Needs a serious but conservative bump up.

Sales:

http://www.tf2outpost.com/trade/16282074

-eventually sold for darkblaze beret+4 buds=~8 buds (rounded off)

-notable offers:

terror lucha (outdated)+aces boron (unpriced)=at least 8?

http://www.tf2outpost.com/trade/15715336

-sold for beams chapeau (9.45 after overpay)+#61 rail spikes=~9.6 buds, polar is calling this an outlier, it went to kyrann who collects cosas

http://www.tf2outpost.com/trade/15959070

-unknown price, sold for 6 buds, not a quicksell

-seller's bp:

http://backpack.tf/id/76561197960894449?time=1385712000

http://backpack.tf/id/76561197960894449?time=1385798400

-notable offers (wasn't taking unusuals though):

declined 5 buds

190 usd=~5.5 then

http://www.tf2outpost.com/trade/15614146

-cosa+sf wrench+sf knife ( http://backpack.tf/id/76561198068356244?time=1384416000 ) bought burning fedora (8.5)

-~6.2 buds

Sales: 6, 6.2, 8, 9.6

This definitely needs a bump up but very few sales. Polar suggests 6-8 so yup. Overpay and original prices used.