Also doing the Engineer Soul. Needs a small bump. Not as much as Cheeze suggested. Thanks to Cheeze for the majority of my proof.

Proof:

Selling/Sold:

0.11:

http://www.tf2outpost.com/trade/13400086

http://www.tf2outpost.com/trade/13488829

http://www.tf2outpost.com/trade/13465641

0.22:

http://www.tf2outpost.com/trade/13422176 (Sold 2)

http://www.tf2outpost.com/trade/11803505 (Has an add for Engineer Soul)

http://www.tf2outpost.com/trade/13350621 (Has an add for Engineer Soul)

0.33:

http://www.tf2outpost.com/trade/9859889 (Has recent adds for Engineer Soul)

http://www.tf2outpost.com/trade/10655654 (Added for Engineer Soul)

Buying:

0.11:

http://www.tf2outpost.com/trade/12969146

http://www.tf2outpost.com/trade/13566774

As you can see, quite a few sales at 0.22 proving it should be put into the range. Not enough sales at 0.33 for it to go in the range yet. People still sell at 0.11 so it has been left in the range.

Thanks for voting : )