How old was paul klee when is first painting got published?

Paul Klee died at age sixty, he left at least 8926 works of art. The Words on his tombstone say, "I belong not only to this life. I live as well with the dead, as with those not born. Nearer to the heart of creation than others, but still too far." Today, a painting by Paul Klee can sell for as much as $7.5 million.