Thats not really proof..... By that logic Everything item in any crate should be worth 1 key minimum.

I've been offered 2 refined for it in my trade. http://www.tf2outpost.com/trade/7184938

People really need to learn how to use this website.

Instant downvote. Just add no proof.

This actually is more accurate than the other suggestion, as I see it going for 1-2 keys. But Brad added the range for this. I actually believe 1-2 keys is the way to go.

it needs range and proof

Swiss Cheese logic.

You need actual proof, not speculation.

Found many below 1.5keys & successful trades at 1key with offers following behind it.

B/o 1key

http://www.tf2outpost.com/trade/7199090 - sold

http://www.tf2outpost.com/trade/7211678 - sold

http://www.tf2outpost.com/trade/7168793 - sold

http://www.tf2outpost.com/trade/7204090 - sold

http://www.tf2outpost.com/trade/7188393 - sold

http://www.tf2outpost.com/trade/7176330

http://www.tf2outpost.com/trade/7204090

http://www.tf2outpost.com/trade/7222982

http://www.tf2outpost.com/trade/7222960

Offers

http://www.tf2outpost.com/trade/7220363 - 1key

http://www.tf2outpost.com/trade/7203759 - 3ref

http://www.tf2outpost.com/trade/7217179 - 2.66ref