This beautiful turquoise or robin's egg blue goblet is elegant and timeless. Its tall urn shaped bowl sits atop a short stem with globular knop. There are no seams which suggests that it is hand blown. While it is unmarked it is believed to be made by the highly regarded German-French glass maker Vallerysthal & Portieux. My glass expert believes that it dates to c. 1930, although I have reason to believe that it may be earlier...