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).

x4 for sale at 2.44 Refined - http://i.imgur.com/OO4Twzh.png

Unsold for 1 day http://backpack.tf/item/3757386180

Unsold for 15 minutes http://backpack.tf/item/4758959732

Unsold for 2 hours http://backpack.tf/item/4863396958

Unsold for 1 day http://backpack.tf/item/2491717835

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x2 for sale at 2.55 Refined - http://i.imgur.com/dTZA8c8.png

Unsold for 3 days http://backpack.tf/item/5003377680

Unsold for 3 days http://backpack.tf/item/3955445281

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x3 for sale at 2.66 Refined - http://i.imgur.com/j73RLZd.png - http://i.imgur.com/tImRwT4.png

Unsold for 3 days http://backpack.tf/item/4750912919

Unsold for 14 days http://backpack.tf/item/1795578373

Unsold for 23 days http://backpack.tf/item/4051688650

Outpost sellers.

http://www.tf2outpost.com/trade/28484515 - 2.66 Refined - Young.

http://www.tf2outpost.com/trade/28483473 - 2.66 Refined - Unsold for 1 day - Autobumper.

http://www.tf2outpost.com/trade/28444169 - 2.66 Refined - Unsold for 2 weeks.

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