8 keys and 5-6 refined ~ 8.6 keys

Sellers:

http://www.tf2outpost.com/trade/23007693 8 keys and 4 refined

http://www.tf2outpost.com/trade/22989038 8 keys and 5 refined

http://www.tf2outpost.com/trade/22797262 8 keys and 6 refined

http://www.tf2outpost.com/trade/23069572 8 keys and 6.33 refined (with Gib Kills and Kills While Explosive-Jumping)

http://www.tf2outpost.com/trade/23062882 9 keys (with Gib Kills and Heavies Killed)

http://www.tf2outpost.com/trade/22722165 9 keys

http://www.tf2outpost.com/trade/23016491 9 keys

http://www.tf2outpost.com/trade/22742880 9 keys

http://www.tf2outpost.com/trade/22143391 9 keys

http://www.tf2outpost.com/trade/22911771 9 keys

http://www.tf2outpost.com/trade/22576730 9 keys

http://www.tf2outpost.com/trade/22748495 9 keys

http://www.tf2outpost.com/trade/23039699 9 keys

http://www.tf2outpost.com/trade/22787459 9 keys

http://www.tf2outpost.com/trade/22677635 9 keys

http://www.tf2outpost.com/trade/22635310 9 keys

http://www.tf2outpost.com/trade/20920981 9 keys

Sold:

http://www.tf2outpost.com/trade/23070945 7 keys

http://www.tf2outpost.com/trade/23045666 8 keys

Buyers:

http://www.tf2outpost.com/trade/15701702 8 keys and 1 refined

http://www.tf2outpost.com/trade/16820026 8 keys

http://www.tf2outpost.com/trade/19117454 8 keys

Conclusion: Multiple traders at 9 keys or lower staying open for days on end. However, there are quicksell buyers at 8 keys or slightly more meaning 8 keys is too little to include in range.