File:Paul Müller-Kaempff03.jpg

Summary
Fair use rationale:
 * 1 This is a low-resolution image and does not constitute a commercial threat to the copyright holder
 * 2 The author died in 1941 so that it is not possible to obtain a free image
 * 3 The copyright holder is unknown
 * 4 The article on Paul Müller-Kaempff will be greatly improved by the addition of a copy of one of his paintings