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).

x2 for sale at 1.35 Keys - http://i.imgur.com/OMWFpse.png

Unsold for 1 day(Business Pants paint) http://backpack.tf/item/3471136742

Unsold for 11 hours http://backpack.tf/item/3456910361

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x4 for sale at 1.4 Keys - http://i.imgur.com/2KAgBxR.png

Unsold for 10 hours http://backpack.tf/item/3330583690

Unsold for 12 hours http://backpack.tf/item/3431310455

Unsold for 11 days(Gold paint) http://backpack.tf/item/3358173257

Unsold for 11 days(Greed paint) http://backpack.tf/item/3341634736

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x1 for sale at 1.45 Keys - http://i.imgur.com/8B8nO6a.png

Unsold for 22 hours http://backpack.tf/item/3491010579

Outpost sellers.

http://www.tf2outpost.com/trade/28432030 - 1.5 Keys - Unsold for 1 week.

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