Classifieds at the time of posting this suggestion.

The age of the listing(s) are shown in the screenshot(s) rather than the last bump.

Unsolds and item histories are presented in chronological order according to the screenshot(s).

x1 for sale at 14.33 Refined - http://i.imgur.com/aWjOCPB.png

Unsold for 5 days http://backpack.tf/item/3698310991

-

x2 for sale at 14.66 Refined - http://i.imgur.com/fU3cedv.png

Unsold for 27 days http://backpack.tf/item/4903512043

Unsold for 7 days http://backpack.tf/item/4714039606

Outpost sellers.

http://www.tf2outpost.com/trade/28345094 - 14.88 Refined - Unsold for 1 month.

I am excluding all trades on Outpost that haven't been bumped in 1 day or more.