Dear old Coutts has really most cleverly transformed its public image over the past couple of years.

Out is the Victorian likeness of a fusty old institution, looking rather like a crinoline-clad Angela Burdett Coutts at a ball in honour of paramour the Duke of Wellington.

For its makeover, the bank has, figuratively speaking, instead gone through the A to Z of fashion, in short order, from Mary Quant, Laura Ashley through to Jean Paul Gaultier (the latter reputedly turne...