They are marked “Schott Zwiesel” on the bottom of the foot.
Set of SIX Schott-Zwiesel Excelsior Red/Burgundy Wine Goblets Mint
Schott Zwiesel Taste Burgundy Glass - Set of 6, Glassware; UK Glassware Suppliers
SCHOTT ZWIESEL Red Wine Glasses for sale
Schott Zwiesel Pure Burgundy Glass - Set of 6, Glassware; UK Glassware Suppliers
Zwiesel Glas Burgundy red wine glass Pure
Zwiesel Glas Tritan Stemware Pure German Crystal Glassware Collection, 6 Count (Pack of 1), Burgundy Red Wine Glass
Burgundy red wine glass Vervino
Zwiesel Glas Burgundy red wine glass Pure
Schott Zwiesel Vina Large Burgundy Glass - Set of 6, Glassware; UK Glassware Suppliers
Schott Zwiesel Pure 23.4 Ounce Burgundy Glass, Set of 6: Wine Glasses: Wine Glasses
Burgundy red wine glass Vervino
Set of SIX Schott-Zwiesel Excelsior Red/Burgundy Wine Goblets Mint