Loius Le Loup, Belgian artist, museum master, his example of art is in London Victoria & Albert Museum. A glass vase, with artist etched signature. Artist's skills is glass Incrustation, Applied green, rose, texture, exquisite glow. 8" h. x w. excellent condition. Incrustation in broadest sense of the word means inserting into the hollowed surface of an item a different colored matter. Quite delicate.