Unsold 2keys:

http://www.tf2outpost.com/trade/14603929 6 days

http://www.tf2outpost.com/trade/14720712 1 day

http://www.tf2outpost.com/trade/14132946 4 weeks

http://www.tf2outpost.com/trade/14391319 2 weeks

http://www.tf2outpost.com/trade/14525531 1 week

http://www.tf2outpost.com/trade/14707464 1day (painted)

http://www.tf2outpost.com/trade/14258831 3 weeks

http://www.tf2outpost.com/trade/14551505 1 week

http://www.tf2outpost.com/trade/14626444 5 days

http://www.tf2outpost.com/trade/14727230 1 day

http://www.tf2outpost.com/trade/14299653 3 weeks

http://www.tf2outpost.com/trade/14727060 1 day

http://www.tf2outpost.com/trade/14557103 1 week

http://www.tf2outpost.com/trade/14523772 1 week

http://www.tf2outpost.com/trade/14603689 6 days

http://www.tf2outpost.com/trade/14602616 1 week (painted)

http://www.tf2outpost.com/trade/14738225 11 hours

http://www.tf2outpost.com/trade/14739221 10 hours

http://www.tf2outpost.com/trade/14738795 10 hours

http://www.tf2outpost.com/trade/14730309 21 hours

...

Selling/Sold under 2 keys:

http://www.tf2outpost.com/trade/14597182 1key 4 ref (sold)

http://www.tf2outpost.com/trade/14703716 1key 4 ref (sold)

http://www.tf2outpost.com/trade/14738715 1 key 5 ref (painted) willing to sell it for 1key 4 ref in this trade http://www.tf2outpost.com/trade/14686527

http://www.tf2outpost.com/trade/14741518 1key 5.66 ref

http://www.tf2outpost.com/trade/14691553 1key 5 ref

If you look up Classfields on this strange item you can see more 11 refined sellers. Left 2 keys as there is still some 2key trades - most of them for Bird-Man with no craft number.