Bang.

Classifieds at the time of posting: http://backpack.tf/classifieds?item=Taunt%3A+Burstchester&quality=6&tradable=1&craftable=1

1x at 6.85 Keys

6x at 7 Keys(1 has auto trade)

4x at 8 Keys

1x at 8.35 Keys

3x at 9 Keys

http://i.imgur.com/PInlWtq.png

http://i.imgur.com/Cyg4cbf.png

Sellers at 6.85 Keys

http://www.tf2outpost.com/trade/27351561 young, 1 sold

Sellers at 7 Keys:

http://www.tf2outpost.com/trade/27349025 young, 2 sold

http://www.tf2outpost.com/trade/27329881 3 Days unsold

http://www.tf2outpost.com/trade/27349766 young

http://www.tf2outpost.com/trade/27335189 2 Days unsold

http://www.tf2outpost.com/trade/27339068 1 Day unsold, unbumped

http://www.tf2outpost.com/trade/27329140 3 Days unsold, unbumped

Sellers at 7.2 Keys

http://www.tf2outpost.com/trade/27339024 1 Day unsold

Sellers at 7.5 Keys

http://www.tf2outpost.com/trade/27347347 young

Unsolds at 8 Keys

http://www.tf2outpost.com/trade/27352108 young

http://www.tf2outpost.com/trade/27348012 young

http://www.tf2outpost.com/trade/27325800 4 Days unsold

http://www.tf2outpost.com/trade/27339339 1 Day unsold, unbumped

Unsolds at 8.3 Keys

http://www.tf2outpost.com/trade/27334184 2 Days unsold

Unsolds at 8.5 Keys

http://www.tf2outpost.com/trade/27351365 young

Unsolds at 9 Keys

http://www.tf2outpost.com/trade/27342340 1 Day unsold, unbumped

http://www.tf2outpost.com/trade/27339579 1 Day unsold, unbumped

http://www.tf2outpost.com/trade/27323726 4 Days unsold, poorly bumped

http://www.tf2outpost.com/trade/27329557 3 Days unsold, unbumped

Unsolds at "bp.tf price"

http://www.tf2outpost.com/trade/27349766 2 Days unsold

http://www.tf2outpost.com/trade/27341852 1 Day unsold, unbumped

7 Keys seems to be the most common price for now, and even that has a few issues selling. 7 flat should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.