Needs an update. The last suggestion should have passed. (it was 3 weeks ago) And now there is only 1 on the market.

My Trade - http://www.tf2outpost.com/trade/12909316

Took a few hrs to get someone to want to pay 13 keys.

Screenshot: http://puu.sh/3JogF.png

Other Trade: http://www.tf2outpost.com/trade/12148665

_ Planets hard counter offers 12-13 keys. Closed by inactivity.

Other Trade: http://www.tf2outpost.com/trade/12105932

Wanted 13 keys. And looks like he just got 13 keys today.

Was extremely easy to get 13 keys. So I prefer a flat range because of how quick it was. But i'll be conservative and say 12-13