Note these are untradable, and all prices include buyer's wrap.

http://www.tf2outpost.com/trade/20815284 - 1.00, 2 weeks

http://www.tf2outpost.com/trade/20955912 - 1.00, 1 week but 2 interested buyers

http://www.tf2outpost.com/trade/20345139 - 1.00, 4 weeks

http://www.tf2outpost.com/trade/20329518 - Backpack prices, 4 weeks

http://www.tf2outpost.com/trade/20986823 - 1.33, 1 week

This is technically a drop from the last suggestion but that suggestion was made pre-update.

http://backpack.tf/vote/id/53c3827a4dd7b896798b4568 - Other suggestion I made incorrectly here :P

Thanks to Pyroman and Monsta for pointing out my mistake.