This needs a drop.

Classified ads at the time of posting:

http://imgur.com/plkteTo

http://backpack.tf/classifieds?item=Catastrophic+Companions&quality=11&tradable=1&craftable=1&australium=-1

1*85 keys ( http://backpack.tf/item/4263239948 , same seller from previous suggestion: http://backpack.tf/suggestion/583f3c58c4404513691a9554 , relisted)

1*90 keys ( http://backpack.tf/item/5290919732 )

1*95 keys ( http://backpack.tf/item/5088103106 )

1*100 keys ( http://backpack.tf/item/5135577680 )

Seller at 85 keys:

http://www.tf2outpost.com/trade/28648319 (~2 days old, previous trade: http://www.tf2outpost.com/trade/28628726 which was over a week old)

Unsold at 95 keys:

http://www.tf2outpost.com/trade/28651106 (Young, previous trade: http://www.tf2outpost.com/trade/28646367 which was about 3 days old)

This is all I could find on outpost that are valid at the time of posting this suggestion.

Now there's 2 sellers on the classified ads at 85 keys:

http://m.imgur.com/aziDLgZ