This is all of the single glasses in a single 6 piece set, buying all of the glasses in bulk will give you a significant discount. Manufacturer - Fostoria Glass Company, which operated from 1887 - 1986. Pattern Navarre, characterized by its delicate etched design of vines and leaves. Production Period - The Navarre pattern was produced from 1935-1982. Material - Crystal glass, with some formulas containing phosphorus impurities that cause a faint yellow green glow under UV light. Variants - The Navarre pattern was used for various types of glassware, including water goblets, champagne glasses, wine glasses, and iced tea glasses. Collectability - Fostoria glass, including the Navarre pattern is considered highly collectible, with prices varying depending on the piece and its condition. Care - Hand washing is recommended due to how delicate these types of glasses are.