Not lucky anymore.

Classifields:

http://imgur.com/4Brlrwm 4 at 4 keys 2 of them painted pink

Sellers at 4 keys or below:

http://tf2tp.com/trade.php?trade=9898458 quicksold at 3 each

http://www.tf2outpost.com/trade/15767713 sold for 3 keys 3 ref

http://www.tf2outpost.com/trade/15772053 sold for 3 keys 3 ref

http://www.tf2outpost.com/trade/15799526 sold for 3 keys 4 ref

http://www.tf2outpost.com/trade/15767641 sold for 3 keys 5 ref

http://www.tf2outpost.com/trade/15772368 sold 1:1 with strange FDU(3.5-4)

http://www.tf2outpost.com/trade/15784148 4 keys each selling 2

http://www.tf2outpost.com/trade/15804380 4 keys

http://www.tf2outpost.com/trade/155857674 keys

http://www.tf2outpost.com/trade/15749844 4 keys

http://www.tf2outpost.com/trade/15795028 4 keys

http://www.tf2outpost.com/trade/15609525 4 keys pink, also on classifields

http://www.tf2outpost.com/trade/15730417 4 keys

http://www.tf2outpost.com/trade/14624381 4 keys

http://www.tf2outpost.com/trade/15590365 4 keys

http://www.tf2outpost.com/trade/15499189 4 keys 1 ref

http://www.tf2outpost.com/trade/15795332 4 keys 1 ref

Unsolds at 4.5:

http://www.tf2outpost.com/trade/15786772 1 day

http://www.tf2outpost.com/trade/15693078 5 days

There arent really much sellers at 4.5 only above that or below 4 :)