His unique style has been recognised and greatly appreciated on a worldwide scale. With his original painterly visions of nature, he has made an outstanding contribution to naïve art in the world, many holding him to be, excepting only Henri Rousseau, the greatest naïve artist of all time. Among naïve artists, he stands out for the distinctive modernism of his visual expression, manifested in the particular kind of stylisation abstraction, the reduction of the visual material to geometrical forms, and for this reason his oeuvre stands high in the heritage not only of naïve but of modern art in general.