Vintage THERESIENTHAL Germany “Connoisseur” 8 Etched Crystal Wine GlassesNIB! . This price in the listing is just for two wine glasses, or one box. The box may have a slight hit towards the top, which is an exception. These wine glasses have a beautiful array of etched birds into them. Each glass has the theresienthal crown stamp of authenticity. Each wine glass has a diameter of 2.5.