Sellers at 4 ref:

http://www.tf2outpost.com/trade/13342033 1 hour

http://www.tf2outpost.com/trade/13330425 9 hours

http://tf2tp.com/trade.php?trade=9678732 1 day

http://www.tf2outpost.com/trade/13310969 1 day

http://www.tf2outpost.com/trade/13248267 3 days

http://www.tf2outpost.com/trade/13244919 3 days, 3 craft hats/4 ref

http://www.tf2outpost.com/trade/13250396 3 days, lowered price from 4.66 to 4

http://www.tf2outpost.com/trade/13202704 4 days, has name tag

http://www.tf2outpost.com/trade/13229330 sold

http://www.tf2outpost.com/trade/13178719 sold

http://www.tf2outpost.com/trade/12876738 sold

http://www.tf2outpost.com/trade/13333917 sold

http://imgur.com/DgIOIhx 9 sellers at 4 ref from the classifieds

Unsold at 4.11-4.33 ref:

http://www.tf2outpost.com/trade/13269902 2 days, 4.22

http://www.tf2outpost.com/trade/13309976 1 day

http://www.tf2outpost.com/trade/12827967 2 weeks

http://www.tf2outpost.com/trade/13343143 recent, 4.33

http://www.tf2outpost.com/trade/13335561 6 hours

http://www.tf2outpost.com/trade/13311965 1 day

http://www.tf2outpost.com/trade/13308393 1 day

http://www.tf2outpost.com/trade/13304450 1 day

http://www.tf2outpost.com/trade/13260668 2 days

http://www.tf2outpost.com/trade/13227054 3 days, lowered price from 4.11 to 4

http://www.tf2outpost.com/trade/13131774 6 days

http://www.tf2outpost.com/trade/13002494 1 week

http://www.tf2outpost.com/trade/13089637 1 week, lowered price from 4.66 to 4.33