4 ref --> taken as 0.66 keys here

http://www.tf2outpost.com/trade/16527433 -trade owner deleted price but trade.tf shows it

(http://i.imgur.com/jf9mVKK.png)

5.44

http://www.tf2outpost.com/trade/16544811 -offered 5.44 in items. gens should be 1.22

1 key

http://www.tf2outpost.com/trade/16536865 -sold

http://www.tf2outpost.com/trade/16534900 -sold

http://www.tf2outpost.com/trade/16530866 -sold for 6.44 aka 1 key

http://www.tf2outpost.com/trade/16530059 -sold

http://www.tf2outpost.com/trade/16529524 -sold ("lol he is a squirl")

http://www.tf2outpost.com/trade/16520101 -sold

http://bazaar.tf/trade/595246 -i was offered a key but i had already sold it

http://www.tf2outpost.com/trade/16539197 -the trade where i sold mine

http://www.tf2outpost.com/trade/16515011 -offered 1 key

http://www.tf2outpost.com/trade/16516114 -offered 1 key (duplicate trade, you know what to do)

http://www.tf2outpost.com/trade/16516825 -offered 1 key

http://www.tf2outpost.com/trade/16542075 -unsold, relatively new and not bumped much

http://www.tf2outpost.com/trade/16544396 -unsold, relatively new

http://www.tf2outpost.com/trade/16519284 -unsold, not bumped much

http://www.tf2outpost.com/trade/16536086 -unsold not bumped much

Note: Many new unsold 1 key links were poorly bumped and only bumped in the last hour or so. I know this because I researched on this item before taking it as payment for my painted downvest.

1 key + 1 ref

http://www.tf2outpost.com/trade/16538506 -sold

2 keys

http://www.tf2outpost.com/trade/16524698 -unsold

Conclusion

Many solds at 1 key, with a few below that. Capped range at 1 key because there were a couple unsolds at 1 key, though they were poorly bumped to my own observation over the last couple hours, but still.