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).

x3 for sale at 1.44 Refined - http://i.imgur.com/nr8muob.png

Unsold for 1 day http://backpack.tf/item/2570880266

Unsold for 1 day http://backpack.tf/item/5102852217

Unsold for 1 day http://backpack.tf/item/5116655053

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x3 for sale at 1.55 Refined - http://i.imgur.com/86iR1ym.png

Unsold for 6 days http://backpack.tf/item/5032888621

Unsold for 13 days http://backpack.tf/item/5081984981

Unsold for 6 days http://backpack.tf/item/1586750717

Outpost sellers.

http://www.tf2outpost.com/trade/28490640 - 1.44 Refined - Unsold for 1 day - Autobumper.

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http://www.tf2outpost.com/trade/28494296 - 1.55 Refined - Young - Autobumper.

http://www.tf2outpost.com/trade/28489818 - 1.55 Refined - Unsold for 2 days

http://www.tf2outpost.com/trade/28483708 - 1.55 Refined - Unsold for 5 days

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