Posters and Prints by Maurits Cornelis Escher
Some examples:
At Barewalls.com...
At Barewalls.com...
At Barewalls.com...
At Barewalls.com...
At Barewalls.com...
At Barewalls.com...
A Large Selection of Escher Posters at Amazon.com
My Main Site.
david at art-without-artifice dot com