Portieux Vallerysthal is a French glass manufacturer that was established in 1707 and began production in 1836. The company is famous for its opaline glass, which is distinguished by its milky, opaque appearance designed to resemble porcelain. This gorgeous water goblet is a classic example of their work in "robin's egg blue" opaline glass. This unique shade is highly sought after by collectors. Add a touch of elegance to your home with this beautiful goblet. Measure 4.25"tall, 3 5/8" wide at rim, 2.75"wide at base. Very nice condition, no chips or cracks, there is a straw mark on underside of foot ( manufacturing process) Rings when tapped. This listing is for one goblet although I do have two available and I will combine shipping if interested in both. Please let me know ahead of time before paying for items so I can adjust shipping charges. Thank you. This beautiful goblet will be shipped to you quickly and with the utmost of care from a smoke free pet free home.