Blank greetings card with envelope featuring:

Sir Charles William Dunstone NPG P1110

© National Portrait Gallery, London

by Adam Broomberg and Oliver Chanarin

Having spotted the potential of mobiles when most considered them a novelty, Dunstone went into the business. He now owns the most successful and prominent of the high-street mobile phone retailers - Carphone Warehouse.

Card size: 125mm x 175mm

Images are printed in their original proportions, within a white border.