Collector's choice

 How do you stay 10 steps ahead of the Joneses, the Singhs and the Kapoors? The easiest way used to be to drive a BMW or to sport a luxury tag like Mont Blanc or Omega.

 But, what do you do when the Joneses, Singhs and Kapoors are all sporting the same fancy tags?

 One way of stealing a march on all those upwardly mobile folk out there