This needs a drop.

Classified ads at the time of posting:

http://m.imgur.com/u8hthPf

http://backpack.tf/classifieds?item=Lugermorph&quality=3&tradable=1&craftable=1

1*5 keys (Has specialized killstreak)

1*5.12 keys (Has killstreak)

4*5.18 keys (2 have killstreak, 2 have specialized killstreak)

1*5.31 keys (Has specialized killstreak and Exorcism)

1*5.37 keys

1 buy order at 5 keys

Unsold at 5 keys and 5 refined (~5.3 keys):

http://www.tf2outpost.com/trade/27405359 (Has specialized killstreak, ~3 days, never bumped)

Unsolds at 5 keys and 3 refined (~5.2 keys):

http://www.tf2outpost.com/trade/27327226 (Duped, has killstreak, ~2 weeks)

http://www.tf2outpost.com/trade/27421651 (Young)

http://www.tf2outpost.com/trade/27396737 (Has 3, all have specialized killstreak, ~5 days)

Sellers at 5 keys and 2 refined (~5.1 keys):

http://www.tf2outpost.com/trade/27397210 (Has killstreak, ~5 days old)

http://www.tf2outpost.com/trade/27406620 (~3 days old)

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