Colorless glass. The body of the concave swinging beaker is ruby-red, lightly lustrous. The matte-cut decor consists of a medallion with a flaming heart and hanging ornaments. Height: 11.5 cm. Provenance: According to information from the previous owner, from the collection of Uwe Friedleben, Hannover; collection of Inge Brück. A Bohemian or Russian ruby glass friendship beaker with engraved decor. Bohemia or Russia, 19th/20th century.