3 month old price. Current Price: 11-12 keys. New Price: 12-14 keys

Current trades in the market.

http://www.tf2outpost.com/trade/15649571

-B/O 14 keys for 1 month

-Offered 8,9, and 10 keys

-Someone's backpack.

-#60 item + ToD ticket

-Offered Blizzardy Storm Nanoblavaca (~14)

-Offered Planets Gym Rat (10, outdated price.)

http://www.tf2outpost.com/trade/16124265

-Offered 9 keys

-Offered Cream Spirit Bills

SALES

http://www.tf2outpost.com/trade/15077708

http://www.tf2outpost.com/item/440,1849882550

http://www.tf2outpost.com/item/440,2053866984

http://backpack.tf/id/76561198079492302?time=1383462000

http://backpack.tf/id/76561198079492302?time=1383375600

Appears to have sold for Bubbling Dragonborn Helmet ~16 keys

http://www.tf2outpost.com/trade/16172666

-sold for 12 keys? Unclear.

http://www.tf2outpost.com/trade/16151196

-Unclear sale

http://www.tf2outpost.com/trade/15618103

-Sold for black bills + 3 keys ~10 keys. Outlier, quicksell.

http://www.tf2outpost.com/trade/15521964

-Sold for Nuts n Bolts Milkman ~15

http://www.tf2outpost.com/trade/15521187

-Sold for 11 keys, outlier, quicksell.

http://www.tf2outpost.com/trade/16048250 --> http://puu.sh/5RpY4.png

-Bought for 12 keys

-Sold it for some specialized item

Setting high end 14 because of the b/o.

Feel free to counter / support my proof. Vote based on proof presented, not blindly!