Loads unsold for 7 keys, even less.

Unsold for 7

http://www.tf2outpost.com/trade/8724344

http://www.tf2outpost.com/trade/8785764

http://www.tf2outpost.com/trade/8767257

http://www.tf2outpost.com/trade/8783109

http://www.tf2outpost.com/trade/8767396

7 key or sf axe and 1 key (6.5 keys) http://www.tf2outpost.com/trade/8778742

7 key and has domination kills (2.66-3.66) http://www.tf2outpost.com/trade/8667596

6 keys 2 ref http://www.tf2outpost.com/trade/8750285

quickbuyers that were both offered one for 6 key 2 ref by same person http://www.tf2outpost.com/trade/7742884

http://www.tf2outpost.com/trade/8605224

classified listings

http://backpack.tf/classifieds/search/festive%20holy%20mackerel

Fairly hard to find evidence of being sold at even this price, (not quicksales).

Market price still fairly expensive but all of the unsolds (more than in links) show it definitely needs a drop in price.

Some more unsold

http://www.tf2outpost.com/trade/8709767

http://www.tf2outpost.com/trade/8729771

http://www.tf2outpost.com/trade/8771395

http://www.tf2outpost.com/trade/8783487

http://www.tf2outpost.com/trade/8777215

http://www.tf2outpost.com/trade/87132

and more

http://www.tf2outpost.com/trade/8719080

http://www.tf2outpost.com/trade/8779230

http://www.tf2outpost.com/trade/8713274

basically there's a load of people trying to sell at 7 keys, none selling, price needs to be lowered.