Price for haunted under cover

[Hugh Jazz]

I got some proof and I'm wondering whether i should include the set offer. And if not, does it become metal pricing for 1 key 0.33 ref?

Offers

http://bazaar.tf/trade/74593 (2 keys 1.22 ref for haunted spy set) ~1.6 keys for under cover

 

Buyers

http://tf2tp.com/trade.php?trade=9442745

http://www.tf2outpost.com/trade/10079705 (1 key 0.33 ref) ~1.06 keys unsuccessful 3 weeks

http://www.tf2outpost.com/trade/10651455 (1 key) unsuccessful 2 weeks

http://www.tf2outpost.com/trade/10657887 (1 key) unsuccessful 2 weeks

http://www.tf2outpost.com/trade/11138564 (5.11 ref) unsuccessful

[Hugh Jazz]

Anyway should I suggest 1-1.06 keys or 5.66 ref?