Most, if not all, low end proof was sold insanely fast. As in <20 views and in most cases <10 views. I buy these things at 0.44 and that even has had little success.

Your stuff:

8 sellers @ 0.33 ref in classifieds now Check their backpack. Most are gone. The others are offline

a lot of sellers @ 0.33 in outpost Check their backpack. Most are gone. The others are offline

solds lower than 0.44

http://www.tf2outpost.com/trade/21176863 .22 ref? 19 views. No Bump

http://tf2tp.com/trade.php?trade=10189837 .33 ref No idea. Don't use this site

http://tf2tp.com/trade.php?trade=10188540 .33 ref No idea. Don't use this site

http://bazaar.tf/trade/902639 .33 ref 5 Views. Bazaar too

http://www.tf2outpost.com/trade/20774584 .33 ref My main supplier, but he is constantly out of stock

http://www.tf2outpost.com/trade/21182855 .33 ref 11 views. No Bump

http://www.tf2outpost.com/trade/21177327 .33 ref 9 views. No Bump

http://www.tf2outpost.com/trade/21177286 .33 ref 10 views. No Bump

http://www.tf2outpost.com/trade/21158037 .33 ref 14 views. No Bump

And it goes on and on.