Mark Knopfler's three most iconic electric guitars on the eve of their London auction

We join Kerry Keane of Christie's to take a close look at three of Mark Knopfler's most iconic electric guitars on the eve of their auction on 31 Jan, including the '59 Les Paul reissue he used to record Money For Nothing, plus his 1988 Pensa-Suhr MK1 custom and red Schecter T-style electric, which he used to record Walk Of Life.