Classifieds:

http://backpack.tf/classifieds/?item=Extra%20Layer&quality=6&tradable=1&craftable=1

1 x 2.55

9 x 2.66

Sellers below range

http://www.tf2outpost.com/trade/23710293 - 2.33

http://www.tf2outpost.com/trade/23647827 - 2.33 / no bump

http://www.tf2outpost.com/trade/23643382 - 2.55 / no bump

Sellers 2.66

http://www.tf2outpost.com/trade/23718433 - young

http://www.tf2outpost.com/trade/23698892 - 2.77

http://www.tf2outpost.com/trade/23697206

http://www.tf2outpost.com/trade/23346034 - 2.77 / 2 weeks

http://www.tf2outpost.com/trade/23695097

http://www.tf2outpost.com/trade/23707156

http://www.tf2outpost.com/trade/23701590

http://www.tf2outpost.com/trade/23660743 - 4 days

http://www.tf2outpost.com/trade/23547720 - 1 week / bumped 2 days ago

Unsolds 3 ref

http://www.tf2outpost.com/trade/23665088 - 3 days

http://www.tf2outpost.com/trade/23658986 - 4 days

http://www.tf2outpost.com/trade/23698559

http://www.tf2outpost.com/trade/23638193 - 5 days

http://www.tf2outpost.com/trade/23144304 - 1 month

http://www.tf2outpost.com/trade/23633413 - 5 days

http://www.tf2outpost.com/trade/23650563 - 4 days

http://www.tf2outpost.com/trade/23640317 - 5 days

http://www.tf2outpost.com/trade/23397773 - 2 weeks

http://www.tf2outpost.com/trade/23605064 - 6 days

http://www.tf2outpost.com/trade/23413557 - 2 weeks

http://www.tf2outpost.com/trade/23620790 - 6 days / bumped 2 days ago

http://www.tf2outpost.com/trade/23488462 - 1 week / bumped 2 days ago

Many other sellers I've had to leave behind because of the poor bumping, or because they weren't bumped at all.