Classifieds:

http://backpack.tf/classifieds/?item=Skullcap&quality=6&tradable=1&craftable=1 - (1 at 4 ref, 2 at 4.22, 2 at 4.33, 1 at 4.55, 6 at 4.66, 2 at 4.88, loads at 5 ref)

Sellers at 3.33:

http://www.tf2outpost.com/trade/24664671 - unsold (1 day)

Sellers at 4.33:

http://www.tf2outpost.com/trade/24679994 - unsold (less than an hour)

http://www.tf2outpost.com/trade/24628935 - unsold (3 days)

Sellers at 4.66:

http://www.tf2outpost.com/trade/24675070 - unsold (8 hours)

http://www.tf2outpost.com/trade/24668835 - unsold (16 hours)

http://www.tf2outpost.com/trade/24626851 - unsold (3 days)

http://www.tf2outpost.com/trade/24610913 - unsold (4 days)

Sellers at 4.77:

http://www.tf2outpost.com/trade/24675825 - unsold (7 hours)

Sellers at 4.88:

http://www.tf2outpost.com/trade/24622809 - unsold (3 days)

Sellers at 5 ref:

http://www.tf2outpost.com/trade/24679530 - unsold (1 hour)

http://www.tf2outpost.com/trade/24679138 - unsold (2 hours)

http://www.tf2outpost.com/trade/24667800 - unsold (17 hours)

http://www.tf2outpost.com/trade/24666596 - unsold (19 hours)

http://www.tf2outpost.com/trade/24665440 - unsold (22 hours)

http://www.tf2outpost.com/trade/24661734 - unsold (1 day)

http://www.tf2outpost.com/trade/24659139 - unsold (1 day)

http://www.tf2outpost.com/trade/24655726 - unsold (1 day)

http://www.tf2outpost.com/trade/24641250 - unsold (2 days)

http://www.tf2outpost.com/trade/24639950 - unsold (2 days)

http://www.tf2outpost.com/trade/24638099 - unsold (2 days)

http://www.tf2outpost.com/trade/24629232 - unsold (3 days)

http://www.tf2outpost.com/trade/24626759 - unsold (3 days)

http://www.tf2outpost.com/trade/24588288 - unsold (5 days)

http://www.tf2outpost.com/trade/24583507 - unsold (5 days)

http://www.tf2outpost.com/trade/24559762 - unsold (6 days)

http://www.tf2outpost.com/trade/24567223 - unsold (6 days)

http://www.tf2outpost.com/trade/24493229 - unsold (1 week)

http://www.tf2outpost.com/trade/24538151 - unsold (1 week)

Sellers at 4.66-5 ref:

http://www.tf2outpost.com/trade/24679032 - unsold (2 hours)

http://www.tf2outpost.com/trade/24675768 - unsold (7 hours)

http://www.tf2outpost.com/trade/24672084 - unsold (11 hours)

http://www.tf2outpost.com/trade/24672301 - unsold (11 hours)

http://www.tf2outpost.com/trade/24670724 - unsold (13 hours)

http://www.tf2outpost.com/trade/24658202 - unsold (1 day)

http://www.tf2outpost.com/trade/24650784 - unsold (2 days)

http://www.tf2outpost.com/trade/24630735 - unsold (3 days)

http://www.tf2outpost.com/trade/24611823 - unsold (3 days)

http://www.tf2outpost.com/trade/24607326 - unsold (4 days)

http://www.tf2outpost.com/trade/24589505 - unsold (5 days)

http://www.tf2outpost.com/trade/24586739 - unsold (5 days)

http://www.tf2outpost.com/trade/24569100 - unsold (6 days)

http://www.tf2outpost.com/trade/24443691 - unsold (1 week)