Last trade now up to 17.1 it looks: http://finra-markets.morningstar.com/BondCenter/BondTradeActivitySearchResult.jsp?ticker=C170460&startdate=08/01/2012&enddate=11/01/2013 The scenario you state would be quite interesting, never thought it would even be possible but doesn't take an insane recovery rate to get there in theory!
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