Let's start off with the support proof as always.

Classified AS OF THE POST OF THIS SUGGESTION:

x3 at 2.66. ( http://i.imgur.com/j5FQkjg.png )

x1 at 2.88. ( http://i.imgur.com/hLVRUI8.png )

Selling for less than 3 Refined:

http://www.tf2outpost.com/trade/19352925 - "10% less than bp.tf" - 1 Month old - The specific one in the trade is sold(Is selling more) - [BOT]

http://www.tf2outpost.com/trade/19945709 - 2.66.

http://www.tf2outpost.com/trade/19940745 - 2.66.

http://www.tf2outpost.com/trade/19941568 - 2.66

http://www.tf2outpost.com/trade/19921959 - 2.66 - 1 Day old.

http://www.tf2outpost.com/trade/19929651 - 2.66 - 1 Day old.

http://www.tf2outpost.com/trade/19747888 - 2.66 - 1 Week+ old.

UNSOLDS for 3 Refined:

http://www.tf2outpost.com/trade/19916808 - 1 Day old.

http://www.tf2outpost.com/trade/19920163 - 1 Day old - Poor bumping.

http://www.tf2outpost.com/trade/19926041 - 1 Day old.

http://www.tf2outpost.com/trade/19912094 - 2 Days old.

http://www.tf2outpost.com/trade/19892260 - 3 Days old - "backpcack.tf prices".

http://www.tf2outpost.com/trade/19799135 - 1 Week+ old. - "backpack.tf prices".

http://www.tf2outpost.com/trade/19480424 - 3 Weeks+ old - "backpack.tf prices".

The rest are up for 3+ refined and have never been bumped since it got posted, so did not include them, these are the only valid ones out there.