Price shouldn't have changed. Still goes for 5 ref/1 key. All trades and offers are from the past 24 to 48 hours.

http://www.tf2outpost.com/trade/11036784 Had buyer at 5 ref

http://www.tf2outpost.com/trade/11060640 Had buyer at 5 ref

http://www.tf2outpost.com/trade/11076236 Sold for 1 key and had an additional buyer

http://www.tf2outpost.com/trade/11064108 Sold for 1 key

http://www.tf2outpost.com/trade/11035628 Offered 4 + Base Metal Billycock (5.33).

http://www.tf2outpost.com/trade/11068847 Sold for a key.

http://www.tf2outpost.com/trade/10977444 Had offer of 4 ref + Robo Billcock (5.33)

My two trades from past 24 hours. Took me less than an hour to sell the first one and 30 minutes to sell the second for a key.

http://i.imgur.com/BYFLOFt.png

http://www.tf2outpost.com/trade/11062316 Sold for 5 ref according to seller. http://i.imgur.com/oPQTPmz.png

http://www.tf2outpost.com/trade/11106439 Bought one with a Bolt Boy + Bicorn for 2 robo keys. Minus the other two hats leaves a value of about 1 key for the Bunsen Brave.

http://www.tf2outpost.com/trade/11005668 Had an interested buy at 1 key, but I guess he only wants a robokey gift.

http://www.tf2outpost.com/trade/11036533 Offered a Dirty Last Breath (6 ref)

http://www.tf2outpost.com/trade/11085506 Offered a key 4-5 hours ago

http://www.tf2outpost.com/trade/11015030 Offered a dirty Last Breath (6 ref)

http://www.tf2outpost.com/trade/11006488 Offered a key

http://www.tf2outpost.com/trade/11093866 Had a buyer for the Bunsen + Data Light for a Robokey. Minus the Dat Light leaves a value of 4.33-6 ref

http://www.tf2outpost.com/trade/11001297 Offered 6 ref

http://www.tf2outpost.com/trade/11039781 Sold for a key

http://www.tf2outpost.com/trade/10914763 Offered a key

http://www.tf2outpost.com/trade/11046032 Offered a key

http://www.tf2outpost.com/trade/11029618 Offered a key

http://www.tf2outpost.com/trade/11049433 Offered 5 ref and sold for a key

http://www.tf2outpost.com/trade/10896949 Was offered 4.33 + a lvl 69 Robobelt (6.33-6.66 ref)

http://www.tf2outpost.com/trade/11057424 Offered a Genuine 70s Chapeau (1 key)

http://www.tf2outpost.com/trade/10951912 Offered 5 ref

Thanks to Skapaneas for the screenshots of his transactions

http://i.imgur.com/EmShrLw.png Sold 2 for 2 keys

http://i.imgur.com/xlkZU3k.png Sold another for a Lime Ballcap + Metal Slug + Genuine Prize Plushy (over 6 ref in items)

And I just sold a 3rd for 5 ref. So my first two sales were hardly luck.

http://i.imgur.com/X6OCXiX.jpg

I just sold a 4th and this one was for a key.

http://i.imgur.com/s14BPrI.jpg