Just going to say, some sales are probably below the listed price. No one in their sane minds would buy an unusual for 12 keys, then turn around a few mins later and try and sell it for 12 keys.

http://www.tf2outpost.com/trade/14643440

Sold for 11 keys (rejected 10)

http://www.tf2outpost.com/trade/16295726

Selling for 11 keys

http://www.tf2outpost.com/trade/16189700

Sold for 12 keys

http://www.tf2outpost.com/trade/15469728

Sold for 12 keys

Owner bought for 11.7 keys (2nd comment)

http://www.tf2outpost.com/trade/15724143

Selling for 12 keys

http://www.tf2outpost.com/trade/15986053

Was selling for 12 keys

Not sure about this one, since the buyer

http://www.tf2outpost.com/trade/15987392

Was selling for 12 keys

Not sure about this one, since the buyer

http://www.tf2outpost.com/trade/16036500

Quicksold for 10 keys

http://www.tf2outpost.com/trade/16189591

Quicksold for 10 keys

http://www.tf2outpost.com/trade/15792005

Quicksold for 9 keys