Freddie Mac saw an unusual jump in mortgage-backed securities issuance in February thanks to a huge delivery of seasoned loans from Bank of America. Freddie single-family MBS production rose 30.8 percent from January’s level to $29.91 billion, according to a new Inside The GSEs analysis of loan-level data. It was the highest monthly issuance level for Freddie since August 2013. [Includes one chart.]