I noticed the price of the battery canteen has been falling with a bunch of 1.33 sellers:

Selling for 1.33 (or lower):

http://www.tf2outpost.com/trade/11425792 (selling for 1 ref)

http://www.tf2outpost.com/trade/11448635

http://www.tf2outpost.com/trade/11299474

http://www.tf2outpost.com/trade/11448161

http://www.tf2outpost.com/trade/11439980 (selling for unique War Head, a 1.33 ref craft hat)

http://www.tf2outpost.com/trade/11438297

http://www.tf2outpost.com/trade/11430326

http://www.tf2outpost.com/trade/11235453

Currently 2 for 1.33 in the classifieds: http://backpack.tf/classifieds/search/battery%20canteen

Selling for 1.44:

http://www.tf2outpost.com/trade/11430480

Successful buyers at 1.33:

http://www.tf2outpost.com/trade/11429301 - http://i44.tinypic.com/j0z8rm.png

http://www.tf2outpost.com/trade/10906480 (1 add 1 day ago, and another add 6 minutes ago)

Please let me know if I should add anything to the suggestion.