PARIS 20th century Large cut-crystal vase/cup circled at the top and bottom with plain silver. The base is carved in the shape of a star, and the shaft is extended by the same number of sides on the bowl in the manner of an open flower. Minerve hallmark on both rings. Goldsmith: hallmark in a rhombus Gustave KELLER and in full letters Gross weight: 1790 g - height: 35.4 cm - base diameter: 12.9 cm - neck diameter: 15 cm