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).

x1 for sale at 15.66 Refined - http://i.imgur.com/zk7E08C.png

Unsold for 3 days(Duplicated) http://backpack.tf/item/2503890275

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x2 for sale at 16 Refined - http://i.imgur.com/8iqAxoa.png

Unsold for 3 days http://backpack.tf/item/1519986621

Unsold for 4 days http://backpack.tf/item/4751017086

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x1 for sale at 17 Refined - http://i.imgur.com/AzhEmuo.png

Unsold for 25 days http://backpack.tf/item/1507531265