Classifieds at the time of posting this suggestion.

Unsolds are based on how long the listing has been up; Listing has been up 5 days and item been in the sellers inventory for 8 days? It has been unsold for 5 days.

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).

x1 for sale at 3.33 Refined - http://i.imgur.com/31zSUdP.png

Unsold for 3 days http://backpack.tf/item/436858011 > Outpost trade; http://www.tf2outpost.com/trade/28440920 Unsold for 2 days, Autobumper.

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x2 for sale at 3.66 Refined - http://i.imgur.com/vEblZrM.png

Unsold for 3 days http://backpack.tf/item/431401900

Unsold for 5 days http://backpack.tf/item/1032812933

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x1 for sale at 3.88 Refined - http://i.imgur.com/duC9CDa.png

Unsold for 10 days http://backpack.tf/item/483824861

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x7 for sale at 4 Refined - http://i.imgur.com/pEWBPa3.png - http://i.imgur.com/vbLQofR.png

Unsold for 12 days http://backpack.tf/item/441075741

Unsold for 10 days http://backpack.tf/item/430730462

Unsold for 8 hours http://backpack.tf/item/429902974

Unsold for 10 days http://backpack.tf/item/459858410

Unsold for 10 days http://backpack.tf/item/429897912

Unsold for 4 days http://backpack.tf/item/429504227

Unsold for 6 days http://backpack.tf/item/1087009536

Outpost sellers.

http://www.tf2outpost.com/trade/28306685 - 4 Refined - Unsold for 4 months.

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