The Commonwealth Bank is marketing a moderately sized series of mortgaged backed notes, seeking to raise almost A$750 million in its second outing to the securitisation investors in 2016. The issue will be known as the Medallion Trust Series 2016-2. Interest is paid sequentially (after expenses) towards the class A1 notes, class B notes and then the class C note. According to presale reports from Standard & Poor's and Fitch, who have both assigned their preliminary ratings, the transaction is split into just four tranches, as follows:  A$345 million Class A1a notes: AAA (sf)/AAA(EXP)sf       A$345 million Class A1b notes: AAA (sf)/ AAA(EXP)sf        A$45 million Class B notes: AA- (sf)/  not rated by Fitch         The A$15million Class C notes are not rated by S&P or Fitch.  At the cut-off date, the total collateral pool with a balance of A$750 million consisted of 2,689 loans, with an average loan balance of A$278,810.