5 keys

http://www.tf2outpost.com/trade/8170363 - 5 key offer

http://www.tf2outpost.com/trade/10744524 - 5 key offer

http://www.tf2outpost.com/trade/9776018 - add for 5 keys

http://www.tf2outpost.com/trade/9289886 - add at 5

http://www.tf2outpost.com/trade/9141488 - multiple 5 key offers

http://www.tf2outpost.com/trade/8795394 - add @ 5

http://www.tf2outpost.com/trade/8627557 - add @ 5

http://www.tf2outpost.com/trade/10151594 - add @ 5

http://www.tf2outpost.com/trade/8902588 - 26 ref offer = 5.08 keys if divided by 5.11

http://www.tf2outpost.com/trade/9878932 - 5 key offer

6+ keys

http://www.tf2outpost.com/trade/10734944 - 4 robo key offer - 17 hours ago (could be considered at around 6-7 normal keys atm)

http://www.tf2outpost.com/trade/10701133 - add at between 5-8 keys (assuming recent price increase)

http://www.tf2outpost.com/trade/7010987 - offered 6 keys in items

http://www.tf2outpost.com/trade/8881737 - 4 robo keys + some items 16 hours ago (can be considered around 6-7 normal keys atm)

I personally have sold multiple die jobs @ above 6 Keys Proof below!

http://i.imgur.com/f6iyGZp.png - 6.44 keys in items (prices taking lowest range & keys @ 5.11)

http://i.imgur.com/ezSqYfe.png -- bought one for 7 keys personally, also sold for 8 keys below within 12 mins of each other

http://i.imgur.com/onPiuqv.png - sold for 7 keys

ive had another 4 or so people trade 7 keys to me for my die job.