The Holy Mackerel is hard to sell!!!

I chose 4.2-4.5 keys as a compromise, because there are 3 trades at 4 keys.

Proof:

Selling at 4 Keys:

http://backpack.tf/classifieds/search/id/52013391ba25369001000001

http://www.tf2outpost.com/trade/14556136 (Unsold for 20 Hours)

http://www.tf2outpost.com/trade/14562864 (Unsold for 13 Hours)

http://bazaar.tf/trade/365247

Selling at 4 Keys+2 Ref

http://www.tf2outpost.com/trade/14300384 (1 Week)

http://www.tf2outpost.com/trade/14506666 (2 Days)

http://www.tf2outpost.com/trade/14575015

Selling at 4 Keys+3 Ref:

http://www.tf2outpost.com/trade/14574187 (5 Hours)

http://www.tf2outpost.com/trade/14571193 (7 Hours)

Unsolds at 4 Keys+3 Ref:

http://www.tf2outpost.com/trade/14510700 (2 Days)

http://www.tf2outpost.com/trade/14259067 (2 Weeks)

http://www.tf2outpost.com/trade/14541103 (1 Day)

http://www.tf2outpost.com/trade/14448425 (6 Days)

http://bazaar.tf/trade/430787 (5 Days)

http://bazaar.tf/trade/403346 (2 Weeks)

Not a lot, few at about 10 keys (Which is outrageous)!

Feedback would be nice, as this is my first suggestion.