My first non-unusual suggestion.

Removing the range.

Sellers @ 2.2:

http://imgur.com/a/7UWK3 - 3x at 2.2, 1 unsold at 5 days, 1 unsold at 3 days.

http://www.tf2outpost.com/trade/2839923 - 1x at 2.2

http://backpack.tf/profiles/76561198304138933 | http://backpack.tf/item/5031543702

http://backpack.tf/profiles/76561198091923708 | http://backpack.tf/item/4980196417

http://backpack.tf/profiles/76561198166951007 |

Unsolds:

http://www.tf2outpost.com/trade/28344888 - 3 weeks at 2.5

http://www.tf2outpost.com/trade/28401058 - 1 day at 2.5

http://www.tf2outpost.com/trade/28378011 - 1 week at 3

http://www.tf2outpost.com/trade/28391751 - 5 days at 2 keys 5 ref.

Buyers:

http://imgur.com/a/rjKVH - 1x at 2.15, 1x at 2.1

http://backpack.tf/u/76561198087962998

http://backpack.tf/u/76561198018101085

Apologies if this isn't a great suggestion. I may be a green belt but I've never done a suggestion like this.

Taking 2.2 flat.