Sellers:

1.8: http://www.tf2outpost.com/trade/11029088 - 1 day

1.8: http://www.tf2outpost.com/trade/10870920 - 5 days

Buyers:

1 key: http://www.tf2outpost.com/trade/10590493 - 2nd from bottom agreed 1 day ago

1.6 : http://www.tf2outpost.com/trade/10009378 - last comment agreed 1 day ago

(couldn't find more helpful buyer links)

Unsold for 2 keys:

http://www.tf2outpost.com/trade/11026580 - 1 day

http://www.tf2outpost.com/trade/11023958 - 1 day

http://www.tf2outpost.com/trade/11024847 - 1 day

http://www.tf2outpost.com/trade/11000714 - 1 day

http://www.tf2outpost.com/trade/10536993 - 1 day

http://www.tf2outpost.com/trade/11003438 -1 day

http://www.tf2outpost.com/trade/10982704 -2 days

http://www.tf2outpost.com/trade/10601447 -2 days

http://www.tf2outpost.com/trade/11000069 -2 days

http://www.tf2outpost.com/trade/10912377 - 4 days

http://www.tf2outpost.com/trade/10849449 - 5 days

http://www.tf2outpost.com/trade/10828943 - 6 days

http://www.tf2outpost.com/trade/10821972 -1 week

http://www.tf2outpost.com/trade/10644890 -2 weeks

http://www.tf2outpost.com/trade/10320954 - 3 weeks, bumped 2 days ago

--> Maybe more 1.6 - 1.8 keys, but not much proof avaible for that