Any form of commerical copying of Gerdine Duijsens’ artwork will have (legal) consequences.
See the court ruling (link) of Gerdine Duijsens vs. Theo Broeren.
The verdict of August 15th 2010, at the Dutch Court of Den Bosch, reads:
"Theo Broeren violated he copyright on three paintings of Gerdine Duijsens. The court obliges Broeren to hand over the artworks to Gerdine Duijsens, to be destroyed."