Help with Unknown Scavo Vase

[mitko011]

Hello Everybody!
I am trying to identify a large vase done in Scavo technique.
It is about 16" tall x 6 diameter at the base.
I was wondering if it possible to be Barbini Scavo vase or other Murano
manufacturer. Here I post pictures of the mouth , texture and bottom.
The pontil mark is raised and roughly grinded one few spots to match the color of the vase's surface.
Thanks in advance for your opinion!
Dimitar

[mitko011]

Another picture of the bottom - the pontil it is raised about 3/8 or 4mm and it is seen on this picture better.

[La Spezia]

Hi, I own a few vases "a scavo", all made by Gino Cenedese. But the surface is
different, more smooth. Yours seems like glaspowder as done by Seguso Vetri d`Arte in 1980.