http://backpack.tf/classifieds/?item=Machina&quality=11&tradable=1&craftable=1

5x 18 keys or less.

18 Keys or Less:

http://www.tf2outpost.com/trade/20934583 - sold

http://www.tf2outpost.com/trade/21123979 - sold

http://www.tf2outpost.com/trade/21216660 - sold

http://www.tf2outpost.com/trade/21181746 - sold

http://www.tf2outpost.com/trade/21180106 - sold - spec ks

http://www.tf2outpost.com/trade/21183553 - sold - 17 keys – spec ks

http://www.tf2outpost.com/trade/21222736 - sold - 17 keys

http://www.tf2outpost.com/trade/21225678 - 2 days

http://www.tf2outpost.com/trade/21222291 - 2 days

http://www.tf2outpost.com/trade/21222158 - 2 days - ks + 2 parts

http://www.tf2outpost.com/trade/21000926 - 1 week - spec ks

http://www.tf2outpost.com/trade/20907489 - 2 weeks

http://www.tf2outpost.com/trade/20414174 - 4 weeks

18.5 Keys:

http://www.tf2outpost.com/trade/21085050 - 1 week - spec ks

19 Keys:

http://www.tf2outpost.com/trade/20007542 - 1 month - 3 parts

http://www.tf2outpost.com/trade/20833854 - 2 weeks - 2 parts

http://www.tf2outpost.com/trade/20961863 – 1 week - spec ks + 3 parts

http://www.tf2outpost.com/trade/21105934 - 1 week - ks + 3 parts

http://www.tf2outpost.com/trade/21060028 - 1 week

http://www.tf2outpost.com/trade/21075907 - 1 week