Sold:

http://backpack.tf/profiles/76561198202431472#!/compare/1481068800/1481155200 - sold with sweets for duped Orbiting Fire L'Inspecteur + Strange Professional Killstreak Australium Black Box = 27 keys

http://backpack.tf/profiles/76561198099047622#!/compare/1481846400/1481932800 - sold with Strange Professional Killstreak Festive Sniper Rifle + Strange Professional Killstreak Festive Rocket Launcher + Strange Professional Killstreak Australium Black Box + Strange Specialized Killstreak Australium Force-A-Nature + Strange Professional Killstreak Australium Knife + sweets for Molten Mallard Merc's Mohawk = 20 keys (low)

Mini's:

duped Orbiting Fire L'Inspecteur:

http://backpack.tf/profiles/76561198258741427#!/compare/1480636800/1480723200 - sold for Potassium Bonnett = 10 keys