Covered cup with a gilded glass egg, vessel; cup; novelty vessel, glass goblet, lidded cup with an egg, Innsbruck Court Glassworks, 1570/90 © Kunsthistorisches Museum Vienna, Kunstkammer ,(3309)

Among the most popular forms from the Innsbruck court glassworks were such vase goblets with bell-shaped, partially gilded lid. Inside the goblet is a blue glass egg painted with white fish is attached. This glass object is a classic example of the "artificialia" group found in 16th-century art collections.