Drawn on a piece of paper, the spokesman said it was "full of the pop art motifs we have now come to recognise, including Warhol's signature bright red lips, made using lipstick, and a typically pop art blocked background, coloured with green and orange felt-tip pen".

BBC: Warhol sketch

Finally, I took the pen, put the felt tip on the skin somewhere, and looked up at him to see if I could make out a glimmer of approval or disapproval.

NEWYORKER: Personal Best