Stylized flower form. On a wide, hollow foot, with a narrow shaft (neck) that tapers down to the trumpet-shaped mouth at the front, pulled down towards the bottom, and raised high on the back side. Colorless glass, overlaid with white opal, and spun with green and silver-yellow threads, with five lanceolate leaves drawn out. Gold-colored, or turquoise and light violet iridescent towards the rim. Height: 28.3 cm. An iridescent "Jack-in-the-Pulpit" glass vase by Tiffany. USA. Long Island/New York. Louis Comfort Tiffany. Circa 1897-1900.