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).

x4 for sale at 4.77 Refined - http://i.imgur.com/itjPTh8.png

Unsold for 1 day http://backpack.tf/item/4959040580

Unsold for 1 day http://backpack.tf/item/5023724848

Unsold for 1 day http://backpack.tf/item/5011236940

Unsold for 1 day http://backpack.tf/item/4952821670

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x1 for sale at 4.88 Refined - http://i.imgur.com/hPj7ljp.png

Unsold for 3 days http://backpack.tf/item/5000810083

Item has changed inventories but buyer didn't give the seller any items http://backpack.tf/profiles/76561198099050997#!/compare/1472169600/1472256000

Discounting this 'sale' as the buyer seemingly got it for free(Never gave the buyer any items).

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x14 for sale at 5 Refined - http://i.imgur.com/v37UBZp.png - http://i.imgur.com/qEIDdoK.png

Unsold for 2 days http://backpack.tf/item/2420400969

Unsold for 19 hours http://backpack.tf/item/5059629277

Unsold for 19 hours http://backpack.tf/item/5042417582

Unsold for 1 day http://backpack.tf/item/1833181172

Unsold for 1 day http://backpack.tf/item/4963998515

Unsold for 4 days http://backpack.tf/item/4957970490

The following are from the same seller, all have been unsold for 4 days and all have never been bumped;

http://backpack.tf/item/5033825600

http://backpack.tf/item/5035864343

http://backpack.tf/item/1661881331

http://backpack.tf/item/4989340571

http://backpack.tf/item/5018592362

http://backpack.tf/item/5017791792

http://backpack.tf/item/5017748109

http://backpack.tf/item/5017791368