we stopped originating commercial mortgage loans held for sale designated at fair value in 2008 and continue pursuing opportunities to reduce these positions at appropriate prices . at december 31 , 2012 , the balance relating to these loans was $ 772 million , compared to $ 843 million at december 31 , 2011 . we sold $ 32 million in unpaid principal balances of these commercial mortgage loans held for sale carried at fair value in 2012 and sold $ 25 million in 2011 . the pnc financial services group , inc