Drum roll please....
Yes, it is a Poli. A dealer friend has the same piece with the blue S.V.C.C. label (Poli's short-lived post-Seguso venture). In doing a search on this website, I see that there are no posts on S.V.C.C., which is too bad because for some reason I keep coming across it. Might be a good topic for discussion. Here are three pieces that I own. Everything in this series seems to be monumental! (The two in the background are 11 1/2 and 8 inches tall).