Media playback is unsupported on your device

James Mylne: Ballpoint pen image exhibition

2 May 2014 Last updated at 21:27 BST

This famous image of Audrey Hepburn, shows her in one of her most famous roles as Holly Golightly in the 1961 film Breakfast at Tiffany's.

But this particular image is not what it seems.

Wendy Hurrell reports.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.