Classifieds :

http://backpack.tf/classifieds/?item=Exquisite+Rack&quality=6&tradable=1&craftable=1

3 at 4 | 1 at 4,11 | 11 at 4,33!

Sellers bellow 4,33 :

http://www.tf2outpost.com/trade/22014983 - 4

http://www.tf2outpost.com/trade/21809945 - 4

http://www.tf2outpost.com/trade/22048523 - 4,11

Sales from 4 to 4,33 :

http://www.tf2outpost.com/trade/22062003 - 4

http://www.tf2outpost.com/trade/22042309 - 4

http://www.tf2outpost.com/trade/22030017 - 4

http://www.trade.tf/trade/483113645 - 4,11

http://www.tf2outpost.com/trade/22013368 - 4,11

http://www.trade.tf/trade/483095782 - 4,33

http://www.trade.tf/trade/483192422 - 4,33

http://www.tf2outpost.com/trade/22025980 - 4,33

Sellers at 4,33 :

http://www.tf2outpost.com/trade/22058981

http://www.tf2outpost.com/trade/22063058

http://www.tf2outpost.com/trade/21916338

http://www.tf2outpost.com/trade/22028612

http://www.tf2outpost.com/trade/22060021

http://www.tf2outpost.com/trade/22049632

Unsolds at 4,66 :

http://www.tf2outpost.com/trade/22010217 - 2 days (bp.tf prices)

http://www.tf2outpost.com/trade/21978014 - 3 days

http://www.tf2outpost.com/trade/21982932 - 3 days (bp.tf prices)

http://www.tf2outpost.com/trade/21951795 - 4 days

http://www.tf2outpost.com/trade/21898068 - 6 days (bp.tf prices)

Conclusion :

Found 2 sales at 4,66 and some at below 4,33 but 4,33 seems the most common traded point so 4,33 flat it is.