Blown glass vase, smoked, bubble from the 60s

Large vase in blown glass, smoked, bubble year 60 dlg from biot... I think it is biot glassware but without signature. Below you can see the trace of the glassblower. Good condition except for normal wear (see photos) Dim: h: 40.5 cm d: base: 12.5 cm d: collar: 17 cm. It weighs 3 kg!.