Vase in dark blue glass paste

Vase in thick glass paste slightly sandblasted appearance. Handmade handmade object, unique piece. Estimated period: 70s. Exact provenance unknown. The corolla of the vase with its black perimeter is reminiscent of some murano vases, the transparent background with the gradient resembles the vases produced by the art glassworks of toul in the 70s. Unsigned. Very good condition: there are some small spots on the vase that are actually part of the structure of the vase and some very discreet scratches. The defects are visible in the photos. Height 20 cm, maximum width 11 cm. Neck diameter: 6 cm. Weight: 760g.