This item is a vintage, possible antique uranium glass decanter, which glows brightly green under UV light. It is made of glass infused with uranium dioxide, popular for its vibrant fluorescent properties. Many similar pieces date back to the Art Deco period, roughly the 1920s to the 1930s. The stopper is black glass with an art deco design. Designed as a decanter for liqueurs, liquors, or as a bedside water carafe. This is a beautiful piece that is of good quality. The piece is in good condition for its age with no chips, cracks or repairs. Measurements can be found pictures.