The Karel Appel Foundation is the owner and custodian of the copyrights to all of Karel Appel's artworks in all media, whether in public or private collection.
Reproduction of works by Karel Appel is subject to the prior written consent of the Karel Appel Foundation.
For all copyright requests and permissions please contact Pictoright, Amsterdam:
P.O. Box 15887
1001 NJ AMSTERDAM
phone: +31 20 5891840