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).

x2 for sale at 1.3 Keys - http://prnt.sc/ciakd6

Unsold for 15 hours http://backpack.tf/item/1361955935

Unsold for 9 days http://backpack.tf/item/1339482899

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x1 for sale at 1.35 Keys - http://prnt.sc/ciakh6

Unsold for 9 hours http://backpack.tf/item/1330443152

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x1 for sale at 1.4 Keys - http://prnt.sc/ciakk6

Unsold for 6 days(Parts Attached) http://backpack.tf/item/1365105403

Outpost sellers.

http://www.tf2outpost.com/trade/28484622 - 1.3 Keys - Unsold for 2 days - Autobumper.

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

Imgur was dead under the creation of this suggestion, using the infamous prnt.sc for this suggestion.