This set is a Northwood Carnival Glass water set with the "Grape and Cable" pattern, produced in the early 20th century, probably between 1910 and the early 1920s. The items are made of amethyst (dark purple base) glass with an iridescent (iridescent) sheen that displays shades of purple, gold, and blue depending on the lighting. Set Details Manufacturer: Northwood Glass Company, founded by Harry Northwood. Pattern: "Grape and Cable" is one of Northwood's most famous and popular patterns. It is characterized by embossed clusters of grapes and leaves hanging from a "cable" at the top of the piece. Color: Amethyst (purple) glass with an iridescent finish, often called "carnival glass". Age: These sets date from the early EAPG (Pressed Glass Era) glass period, typically around 1910. This set of Northwood carnival glass pitchers and glasses ("Grape and Cable" pattern) is made in the United States of America. The Northwood Glass Company operated in Wheeling, West Virginia, and this popular pattern was produced from about 1908 to 1925. Vrc: Visina: 21 cm Promjer: 13.5 cm Zapremnina: 1.5 litre Glasses: Height: 10.5 cm Volume: 2.5 dcl Diameter: 8 cm