Several unsold at 1.4:

http://www.tf2outpost.com/trade/10318285 unsold at 1.4 keys for 2 weeks

http://www.tf2outpost.com/trade/10509301 unsold at 1.4 keys for 1 week

http://www.tf2outpost.com/trade/10693430 unsold at 1.4 keys for 3 days

http://www.tf2outpost.com/trade/10724129 unsold at 1.4 keys for 2 days

http://www.tf2outpost.com/trade/10677509 unsold at 1.2 keys for 3 days

http://www.tf2outpost.com/trade/10760838 unsold at 1.2 keys

Several unsold at 1.5 for quite some time:

http://www.tf2outpost.com/trade/6447479 unsold at 1.5 keys for 5 months?

http://www.tf2outpost.com/trade/10520494 unsold at 1.5 keys for 1 week

http://www.tf2outpost.com/trade/10670829 unsold at 1.5 keys for 4 days

http://www.tf2outpost.com/trade/10674528 unsold at 1.5 keys for 3 days

Some more unsold at 1.5:

http://www.tf2outpost.com/trade/10704007 unsold at 1.5 keys for 2 days

http://www.tf2outpost.com/trade/10713702 unsold at 1.5 keys for 2 days

http://www.tf2outpost.com/trade/10740690 unsold at 1.5 keys

http://www.tf2outpost.com/trade/10747162 unsold at 1.5 keys