I've put some proof in comments below.

All these buyers are fairly recent, none are older than 1 or 2 weeks.

http://www.tf2outpost.com/trade/8281678 Buyer at 0.66

http://www.tf2outpost.com/trade/8288598 Buyer at 0.44

http://www.tf2outpost.com/trade/7048480 Scroll down a lot, buyer at 1 ref

http://www.tf2outpost.com/trade/6236845 Scroll down again, buyer at 0.44

http://www.tf2outpost.com/trade/3078772 Seller asks for 0.66 metal or 0.33 money, buyer pays 0.33 money. This is equivalent to a ref.

http://www.tf2outpost.com/trade/7825976 Buyer at 0.66

http://www.tf2outpost.com/trade/4246924 Buyer at 0.66

http://www.tf2outpost.com/trade/8271611 2 Buyers at 0.44

I think this is enough, but please tell me if you would like to see more proof... I’ll do my best to oblige.