Large purple art glass vase with vintage silver glitter inclusions

Rare model, unique collector's item. Superb large vase with low round body, large flared neck, high, art glassware, unsigned, attributed to studio glass, france, vintage 60s-70s. Murano style, modern design, mid-century. Transparent dark purple glass but appears opaque black from the outside, purple visible only in transparency. Blown with inclusion of silver glitter: iridescent oil stains and splashes and very particular shades, very beautiful. Irregular neck edge, a slight dent on the body. 28.5cm high 17.18cm max body diameter, 14.5cm diameter at the neck. Very good general condition, a few rare discreet scratches, especially on the recess of the body, perhaps of fact origin, small manufacturing bubbles in the glass not visible from the outside. No cracks or chips. Approximately 1.200kg.