40 Keys pure for Professional Killstreak Australium Minigun.
24 Keys pure for Specialized Killstreak Australium Grenade Launcher.
Autoaccept when sending tradeoffer, here is the link: https://steamcommunity.com/tradeoffer/new/?partner=65928682&token=bG-l7wn7
NOTE: When the item you're looking for is not in my inventory, then it is on community-market. In that case comment here and add me! And I will get it off the market for normal trading :)
Have a nice day :D