This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Wilhelm Gause Kaiser Franz Joseph beim JagdPicknick. Kaiser Franz Joseph beim JagdPicknick Farbdruck nach Gause cm dorotheum Dorotheum Creator Wilhelm Gause PDoldauto Images from Dorotheum Wilhelm Gause Franz Joseph of Austria Picnics in art in Austria