welp

http://backpack.tf/classifieds/search/id/5200d7634bd7b85a5e000009

Only 1, and for 3 ref.

The only 4 recent sales are all instasolds, that have several adds within minutes of posting:

http://www.tf2outpost.com/trade/15825661 - 1 ref

http://www.tf2outpost.com/trade/15823927 - 1 ref

http://www.tf2outpost.com/trade/15818900 - 1 ref

http://www.tf2outpost.com/trade/15842524 - 1.11

AND there's only 1 on outpost...

http://www.tf2outpost.com/trade/15814316

Offered:

Trickster's Turnout Gear - 2 ref (~3)

1 ref (3 times)

1.66 (twice)

2 ref

"3 halloween hats"

3 ref

Gothic Guise (~1.33)

4 ref

And on http://www.tf2outpost.com/trade/15774291 ~

Offered 1 key.

http://www.tf2outpost.com/trade/15830996 - Buying for 2 ref (no success)

http://www.tf2outpost.com/trade/15789198 - Buying for 2 ref (no success either)

http://www.tf2outpost.com/trade/15856295 - sold for 3

http://www.tf2outpost.com/trade/15853556 - will take 3 as stated in the comments here