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 1.15 Keys - http://i.imgur.com/07IyjjT.png

Unsold for 18 hours http://backpack.tf/item/5022870190

Unsold for 23 hours http://backpack.tf/item/4974564419

Unsold for 1 day http://backpack.tf/item/4981666579

-

x5 for sale at 1.35 Keys - http://i.imgur.com/P5szZy0.png

Unsold for 8 days http://backpack.tf/item/5021782696

Unsold for 11 days http://backpack.tf/item/5073646246 > Outpost trade: http://www.tf2outpost.com/trade/28466471

Unsold for 12 days http://backpack.tf/item/4952872401 > Outpost trade: http://www.tf2outpost.com/trade/28466245

Unsold for 12 days http://backpack.tf/item/4996663547

Unsold for 15 days(Painted Mann Co. Orange) http://backpack.tf/item/4984188463

Outpost sellers.

http://www.tf2outpost.com/trade/28478440 - 1.35 Keys - Unsold for 4 days.

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