He won with this cartoon:
You can discover the art of Peter in his book eye-witness (Artbooks, Hillegom, 2006, ISBN 90-808076-2-1, 124p.). The book gives us a fascinating view of the work of this multilateral artist.
Hereunder a preview of the graphical humor chapter in the book:
More Cartoons by Peter Nieuwendijk
eye-witness by Peter Nieuwendijk