Classifieds at the time of posting this suggestion.

The age of the listing(s) are shown in the screenshots rather than the last bump - Unsolds and item histories are presented in chronological order according to the screenshot(s).

x3 for sale at 10.55 Refined - http://i.imgur.com/7b7QSin.png

Unsold for 1 hour http://backpack.tf/item/3547215102

Unsold for 5 days http://backpack.tf/item/351595331

Unsold for 4 days[Invalid, never bumped.] http://backpack.tf/item/328548876

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x1 for sale at 10.66 Refined - http://i.imgur.com/jxpdoYD.png

Unsold for 2 days http://backpack.tf/item/260814695

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x1 for sale at 10.77 Refined - http://i.imgur.com/AXiqTAd.png

Unsold for 7 days http://backpack.tf/item/261127022

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x1 for sale at 11 Refined - http://i.imgur.com/3MOOIdk.png

Unsold for 1 day[Painted Indubitably Green.] http://backpack.tf/item/306057195

Outpost sellers.

http://www.tf2outpost.com/trade/28473693 - 11 Refined - Unsold for 3 days.

http://www.tf2outpost.com/trade/28320031 - 11 Refined - Unsold for 2 months.

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