Here we go again!

http://www.tf2outpost.com/trade/11199738 - offered ts bills

http://www.tf2outpost.com/trade/11027422 - offered 7 keys

http://www.tf2outpost.com/trade/10544884 - offered 7 keys (also offered 9 a week ago)

http://www.tf2outpost.com/trade/10476083- 2 offers of 7 keys

http://www.tf2outpost.com/trade/8951768 - offered 8 keys

http://www.tf2outpost.com/trade/8271995 - rejected 6 keys (and said it was a terrible offer (lol))

http://www.tf2outpost.com/trade/11288738 - added to buy at 7 (said the guy had none in stock though)

http://www.tf2outpost.com/trade/11022624 - sold 2 for 8 keys and 1 for 8 keys in items (according to op)

Also after looking at most if not all of the outpost trades with chromatic corruption, I only found one trade asking for 6 keys (labeled it die job and is very new): http://www.tf2outpost.com/trade/11338093