Vintage Art Deco Crystal Intaglio Trinket Dish Designer Czech Heinrich Hoffmann. Rectangular dish with depicting a boy blowing bubbles for a bird. Hoffmann was a prominent figure in the Bohemian glass industry founding his company in 1900. He was known for high quality “open salts” and perfume bottles. His signature intaglio style became a hallmark of Art Deco style. Small chip on upper rim corner.