They are marked “Schott Zwiesel” on the bottom of the foot.
Set of SIX Schott-Zwiesel Excelsior Red/Burgundy Wine Goblets Mint
SCHOTT ZWIESEL Red Glassware & Drinkware
Schott Zwiesel Pure 23.4 Ounce Burgundy Glass, Set of 6: Wine Glasses: Wine Glasses
SCHOTT ZWIESEL Red Wine Glasses for sale
Zwiesel Glas Tritan Stemware Pure German Crystal Glassware Collection, 6 Count (Pack of 1), Burgundy Red Wine Glass
SCHOTT ZWIESEL Diva Series Burgundy Goblet (Box of 6)
Zwiesel Glas Tritan Stemware Pure German Crystal Glassware Collection, 6 Count (Pack of 1), Burgundy Red Wine Glass
SCHOTT ZWIESEL Red Wine Glasses for sale
Zwiesel Glas Tritan Vervino Collection Burgundy Red Wine Glass, 32.2-Ounce, Set of 6: Wine Glasses
SCHOTT ZWIESEL Red Wine Glasses for sale
Zwiesel Glas Burgundy red wine glass Pure
Schott Zwiesel Tritan Crystal Glass Classico Stemware Collection Claret Burgundy Red Wine Glass, 27-1/2-Ounce, Set of 6: Sherry Glasses: Wine Glasses